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RELAP5 Plug-in Users Manual

1. Figure 3 60 Point Kinetics Completion Dialog Nodal Kinetics calculations support two core geometry types Cartesian and Hexagonal Cartesian layout planar data is defined from left to right X Nodes top to bottom Y Nodes for each axial level Z Nodes Hexagonal layout data is defined by the number of Hexagonal Rings for each axial level Z Nodes Setup Reactor Kinetics Setup Reactor Kinetics Reactor Type N 7 P Feedback Type Geometry Type Cartesian E Geometry Type X Nodes 104 FP Hexagonal Rans Y Modes aH hi Y Hodes 7 Hodes HIP Modes Hiart on Groups d pS EJ Neutron Groups ok Cancel ok Cancel Figure 3 61 Nodal Kinetics Completion Dialog Cartesian Hexagonal Point Kinetics Point Kinetics properties use many of the same editors present in other RELAP5 components In addition the following special kinetics editors are used to edit Point Kinetics properties RELAP5 Plug in User s Manual 52 Point Kinetics e Table Data Editor The table editor provides a spreadsheet like editor for tabular data Rows can be added and removed using the Add Remove buttons Cell values can be copied and pasted using the Copy and Paste items in the right click pop up menu A Sort menu item is also provided to sort the table rows by independent variable where appropriate Ti ld Ratio Figure
2. Pipe for more detailed information on these dialogs w General Show Disabled Component Name ihl isg Component Number 105 a Geometry Cells Of Juns 1 Friction Data Valid values Initial Conditions Valid values Figure 3 5 Single Junction Properties 3 2 4 Time Dependent Junction Time dependent junctions can be used whenever the phasic velocities or phasic mass flow rates are known as a function of time or other time advanced quantity Time dependent junctions can connect any two system volumes or a system volume and a time dependent volume The Control Word property controls the flow rate specification The search variable will be associated with either Mass Flows or Velocities depending on the value of the Control Word By default the Control Word is set to Flow Velocities 13 RELAP5 Plug in User s Manual Pipe _ ux Show Disabled Component Name i mnfeed Component Number te Description none gt Inlet Qutlet Flow Area Use PY Term Control Word Variable Table Rows 3 Figure 3 6 Time Dependent Junction Properties Note The TDJ hydraulic component provides a table editor for defining search variable flow rate data Using the Add Remove buttons will update the table respectively Pressing the OK button will save any changes made and close the editor This editor is shown in Figure 3 7 TDJ Flow Rate Editor Editing Table Search Liquid Massflow Vapor Wasa
3. Heatstructure 041 Additional Eoundary Condition Data 5 Left Bound Option 9W A at ES al rd Form Right Bound Option 9 Word Form Axial Cell Source Inner Surface Outer Surface Cell Data Boundary Conditions Boundary Conditions 1 0 No Source PIPE 204 Cell 1 W PIPE 270 Cell 1 Y 4 0O NoSource PIPE 204 Cell 4 V PIPE 270 Cell 4 V 5 0 NoSource PIPE 204 Cell 5 V PIPE 270 Cell 4 V 0 No Source 0 No Source 0 No Source O No Source PIPE 108 Cell 2 V PIPE 170 Cell 2 V IPE 108 Cell 3 V PIPE 170 Cell 3 V Tobin Enurra MB PE 108 Cal vw PIPE 170 fall A Ww Show Disabled No Properties Available Figure 8 5 Heatstructure Axial Editor 8 3 Pipe Split The Pipe Split operation allows Pipe and Annulus components to be split into two at an internal junction All of the nodes and junctions downstream of the selected interface will be moved to a new component The selected split inteface will be extracted to a single junction that connects the new outlet of the original component to the inlet of the new component Cell and junction references to the original component are updated to reflect which component contains the indicated edge Figure 8 6 Pipe Split Menu Selection below displays the Split menu item in the Renodalization submenu RELAPS Plug in User s Manual 78 Pipe Split 2 PIPE 1 j E 2 y Pr
4. 3 62 Kinetics Tabular Array Editor e Point Kinetics Volumes and Weighting Factors This editor defines Point Kinetics Volume and Heat Weighting Factors The top of the dialog is a table of Hydraulic components or Heatstructures that are to proivide feedback The Add and Remove buttons can be used to add and remove components from this table 53 RELAPS Plug in User s Manual Point Kinetics Volume Components Powered Components Yolum Component ANNULUS 160 egldec1 Weighing Temp F acbur Loemciend Figure 3 63 Point Kinetics Volume Heat Weighting Factor Editor The bottom of the dialog is a table of the weighting factors and temperature coefficients for nodes in the the component selected in the upper table The Add button is used to add a node from the selected component The Remove button removes the selected node from the table e Detector Editor The editor for defining model detector data resembles the Volume Heat Weight Factor Editor Detectors can be added to and or removed from the top table with the Add Detector Remove Detector buttons The bottom of the dialog is a table of the source terms weighting factors and the attenuation terms for the detector selected in the top table RELAPS Plug in User s Manual 54 Nodal Kinetics Detector Editor Detector Humber Gcale Factor antrol 1 Penntain Figure 3 64 Detector Editor Nodal Kinetics Nodal Reactor Ki
5. AAA wanes duns n chad tutes y nancies hove clint e souks 1 2 Cicatins aAa RELAPS Model au ea a a New nt id 3 JAN oporne an Existino ASCH Ple idad 3 2 2 Creatine a New RECAPS Model au a tia case 5 2 3 Opening an Existing RELAPS Model oocooccoccnccnccnnccncnnncnnconcnnnconcnoncnnnnnonos 6 2A RELAPS Model Gin a ia 6 o AP e RG YN NW NN 9 Sl Model a o o un Li peene _ PRY NC NC FF CN FRI EF SN FA 9 32 Fly draulioC omponents su ida 11 O o alata _ WU HT 11 22 ime Dependent V OWING ei ie a dn aU nin a 12 o Sa OIC JUNC MON dora ta ghee chit asso FR RH FN lada YFED 13 3 2 4 Time Dependent JunctiOn 4 eeeu igw E AR het 13 Me A E ee te Y CYNOG 14 e SAMMI orita RYN NY NF 23 o TM Pressure a A A 23 9 28 CANDU Ch annel cocci eet dn dd ee cla 24 3 AA ia UU a Neus Y CA DR OU 25 Ore MO BAT MOD saith fiat tase CU Gu Li aa Cr LG Gu OO 26 o AA A AAA A YH RR 21 312 AA A A O N 28 A ECO MIX i areas eset aa CT NE ee ee 29 SAA VIVO o prats de 30 SS A GAA OO OYN 30 32 160 EOMPrESSOL diia 30 Sd Mulupie TUNA a od 31 JAAS ACCIAO ae a 34 3 2 19 Multi Dimensional Component oococccocnncnnccnnconcnoncnncnnnnnncnncnoncnnnnnoos 35 5 220 PEC ater e 41 5 52 Control Systems A ee 41 Dee o A A GR Nr ONY 4 32 3 2 CONTO BIOCKS ici ita ica 42 3 3 LD A A Gn 43 32 General Tabla AS 43 Sd tera cue Walla DIOS ai 44 A A 45 3 Radinon Enclostite au A ed eL ddaa 49 SOL IN te EL AUS lc 50 o RR Rs A
6. Branch 3 2 9 Branch A branch is a single volume that is used to model 1D branching fluid flow Each branch may have up to a maximum of 9 external junctions used to connect to other hydraulic components This maximum does not include junctions from other components single junction pump etc connecting to the branch volume Branch Properties The Branch uses the same editing dialogs as the pipe component for editing geometry initial conditions and friction data Refer to Section 3 2 5 Pipe for more detailed information on these dialogs Branch External Junctions 1 e those stored in the branch are edited using the dialog shown in Figure 3 20 Branch Junctions Dialog This dialog allows junctions to be added removed and connected to other hydraulic components The From Face determines where on the Branch inlet outlet cross flow face 3 6 the connection will originate The Target is the component receiving the Branch connection The Cell is the specific volume in the target hydraulic component to which the connection was made Selecting the Reverse option will reverse the flow of the mixture in the selected Branch connection Edit Branch Junctions 1 outlet PIPE 176 isgs dwn Tine LJ 2 inlet SNGLYOL 172 isgs dwn Figure 3 20 Branch Junctions Dialog The External Junctions property editor provides notification of the number of External Junctions owned by the Br
7. Component Data inlet Component PIPE 62 cor inte E Starting Cell 18 of 12 Y Ending Cell 5FF of 12 increment inlet Face inlet E E cL PIPE 520 sg5tb1 5 Starting Cell 4 Ending Cell Increment Outlet Face Figure 3 32 Multi Junction Utility Connection Editor The Multi Junction component also contains basic Junction geometry friction and initial condition data Examples of the editors used to edit these properties can be seen in Section 3 2 5 Pipe The RELAPS plug in updates the Multi Junction editors when the number of Junctions changes in order accurately reflect the structure of the component The basic Multi Junction properties are displayed below 33 RELAPS Plug in User s Manual Accumulator Component Number Description nones Geometry Cells O Juns 3 Friction Data alid values Initial Conditions falid values Connections Invalid Values Figure 3 33 Multi Jun Property View 3 2 18 Accumulator An accumulator is a lumped parameter component treated by special numerical techniques that model the tank tank wall surge line and outlet check valve junction until the accumulator is emptied of liquid When the last of the liquid leaves the accumulator RELAPS resets the accumulator to an equivalent single volume with an outlet junction and proceeds with calculations using the normal hydrodynamic solution algorithm The Accumulator Geometry Friction and Initial Co
8. Independent Variable Cell Number Volume ft Length ft Area dt Dependent Variables Figure 2 7 Plotting Editor Data Some tabular editors reguire that edits be confirmed before any updates are made These editors do not update the ASCII view or add an undo event until the OK button is pressed The following section contains a listing of many of the editors included in the RELAPS plug in RELAPS Plug in User s Manual 8 Chapter 3 Editing A Model Once a model is open in the ModelEditor via importing ASCH opening an existing MED file or creating a new model it can be modified in a variety of ways New components can be added to the model through the Navigator or by using the insert tool in a 2D view Existing components can be modified disconnected and reconnected through the Property View or the 2D view 3 1 Model Properties The RELAPS plug in provides a Model Options node for all of the RELAPS attributes which control key model characteristics The following list describes a few of these properties and gives a description of their associated options e Code The type of RELAP analysis code input being modeled The free version of the plug in supports RELAP5 MOD3 3 The RELAP5 3D plug in adds support for RELAP5 3D versions 2 2 2 3 and 2 4 Changing the RELAP code type will cause the model to update to accommodate properties specific to the selected code type e Developmental Options This has been added to the code f
9. L a Valid 2 0 No Source ANMULUS 315 E Symmetry Valid 3 O No Source ANNULUS 315 C Symmetry Valid 4 O No Source ANNULUS 315 C Symmetry Valid 5 O No Source JANNULUS 315 C Symmetry Valid 6 O No Source ANNULUS 315 C Symmetry Valid 7 O No Source ANNULUS 315 C E OO Valid General Show Disabled Mo Properties Available w ICCCGOO1 011 099 Gap Conductance Mo Properties Available CCCG XX Source Data 0 No Source lt 1000 Use Table 1000 Total Reactor Power 1001 Total Decay Power 1002 Fission Power 1003 Fission Product Decay 1004 Actinide Decay gt 10000 Control Variable Figure 3 54 Heatstructure General Heat Cell Data Selecting two or more heat cells in the table provides a property view with an intersection of the attributes specified by the selected heat cells If two or more axial cells are selected and have the same attribute and value the value will appear for editing for both of the selected Heat cells In the event that two or more axial cells are selected contain the same attribute and have different values for those attributes the editor will display a lt Different Values gt and will not be editable This same type of behavior applies to the Left and Right Surface Conditions data The Left Right Surface Boundary Conditions columns provide the option of connecting heat cell surfaces A hydraulic component may b
10. Multi Dim 2D Cell Selection Specification of hydraulic junction properties is similar to that of the cells Notice in the following figure that selecting a value from the table highlights the junction region on the axial Side View Junctions are selected from the Side View by clicking on the dotted line 39 RELAPS Plug in User s Manual Multi Dimensional Component MLE TD 2U peep Lepmretry Property Fire l y Ang 1 Rig i Ang 1 Fiag 1 Fira Sart 1 Sect J Sart 3 Sect 4 Catt 1 E L H L L l i L L L f L L L yw cyt EAT ai AP JA me me H El pr ee M Eo E LERT LERT 1 ral Laval Lara Lawd i La J Figure 3 43 Multi Dim 2D Junction Selection The 2D hydraulic cell junction properties are specified by the down down boxes at the top of each editor Selecting a specific property from the drop down boxes will update the editing table provided Multi Dim junction properties provide the option of selecting the face to which the properties are being set Multi Dim Connections Creating hydraulic connections To From the Multi Dim component is done through the 2 D view The connection to the Multi Dim component is done much like any other component in the RELAP plug in The connection tool is used to start the connection and is done by selecting a connection point from another component and then selecting a drop zone point on the Multi Dimensi
11. RELAPS plug in also provides the ability to copy and paste hydraulic components by using the Copy Cut and Paste items in the Navigator s right click pop up menu Hydraulic components can be copied between RELAP5 models open in the same ModelEditor instance The RELAPS plug in allows a Description and set of Comments to be specified for each hydraulic component that are exported as special tagged comments An example of the formatting of these properties is shown in Single Volume A single volume component is one hydraulic volume A Single Volume can also be described as a pipe component containing only one volume As such the single volume uses the same editing dialogs as the pipe component Refer to Section 3 2 5 Pipe for more detailed information 1 RELAPS Plug in User s Manual Time Dependent Volume General Show Disabled Component Number AR Description lt none gt Geometry Cells 1 7 Juns O Friction Data Valid values Er H Initial Conditions Invalid Cell Conditions Figure 3 2 Single Volume Properties 3 2 2 Time Dependent Volume A Time Dependent Volume is to simulate fluid entering or leaving a hydraulic system The TDV geometry data is nearly identical to that of a pipe and thus uses the pipe geometry editor described in the section called Pipe Geometry The TDV initial conditions data differs from the other hydraulic components since it allows any number of desired search variable
12. TURBINE old format is CCC000000 and expanded format is CCC010001 The Number of Junctions option in Figure 3 25 Turbine Completion Dialog allows the specification of 1 no steam extraction junction or 2 steam extraction junction junctions Initalize TURBINE Total Length Flow rea 1 0 m Humber of Junctions 2 Figure 3 25 Turbine Completion Dialog In addition to standard geometry friction and initial condition properties the Turbine allows a connection to a Shaft with a connection control A Shaft can be connected to a Turbine simply by using the provided selection editor and selecting the a Shaft component The Shaft selection editor is shown in Figure 3 26 Turbine Shaft Selection Shaft Velocity Inertia and Friction attributes can be defined in the Turbine Property View RELAPS Plug in User s Manual 28 ECC Mixer select from Control Blocks Component Name Component Numk Available Control Blocks Number Component Description 1 CB 1 sum cormass omy Geometry 2 CB2 sum upmass E 3 CB 3 sum lpmass Friction Data 4 CB 4 sum dnmass Initial Conditions sc 5 sum uhmass Shaft Velocity i Stage Inertia Shaft Friction EF CB 4 sum dnmass Figure 3 26 Turbine Shaft Selection The turbine also provides the option of specifying a Shaft connect disconnect trip controller Discon Trip directly below the Shaft property as shown in Figure 3 27 Turbine Property Vi
13. The default values have been selected for the best appearance Different graphics cards may require some minor modification Each coefficient represents a different portion of the lighting calculation The final 3D view property is the Cell Scale option If all the cells inside a model are rendered at full scale they would ideally appear connected as a single solid volume The Cell Scale slider allows the user to modify what percentage of the total volume a cell will occupy on the screen A Cell Scale of 60 is illustrated in Figure 7 6 Shift Selected Components 71 RELAPS Plug in User s Manual 72 Chapter 8 Renodalization The size and shape of a hydraulic component can be modified through built in editors However a special tool is required to change the number of hydraulic cells while preserving the overall geometry and external connections Note All renodalization can be safely undone and redone 8 1 1D Hydraulic All multi cell 1D hydraulic components may be renodalized These include all hydraulic components that can contain multiple volumes To begin the process select the Renodalize option from the right click pop up menu of the component in either the navigator or the 2D view as shown in Figure 8 1 1D Hydraulic Pop up Menu PPE 4 FT DT Show ASIN Fleder aren Docs H Edi Heatairucturas b mal F AA o A ee ee ee Se ES Deictn To From To Back cake Drain mr a iun b Ly gante Phee
14. The modular plug in design of the software allows functionality to be tailored to the specific requirements of each analysis code RELAPS is a generic transient analysis code for thermal hydraulic systems using a fluid that may be a mixture of steam water noncondensables and a nonvolatile solute This document describes how to use SNAP to work with RELAPS models This manual assumes a level of familiarity with RELAP5 and the SNAP Software Please refer to the RELAPS User s Manual and the SNAP User s Manual for specific information on RELAPS input requirements and SNAP general usage 1 RELAP5 Plug in User s Manual Chapter 2 Creating a RELAP5 Model A RELAP5 model can be created in the ModelEditor by either importing an existing ASCII model opening an existing model or by creating a new empty model 2 1 Importing an Existing ASCII File The SNAP ModelEditor supports importing RELAP5 compliant ASCII input files ASCII files may be imported into the SNAP Model Editor from the Import sub menu in the File menu shown in Figure 2 1 File Import Sub Menu File Edit Tools Window Help 5 New Ez Open Open Recent Save Ctrl Save As Ctri Shift 5 Close Close All import H Legacy AVScript Exit COBRA ASCII CONTAIN ASCII CRUD Input FRAPCON ASCII MELGEN PARCS ASCII RELAP ASCII TRACE Figure 2 1 File Import Sub Menu The RELAPS plug in import process allows the user to select the version of RELAPS for which th
15. Tutorial View cvs rs tutorial Code Y RELAPSMOD3 3 RELAPS 30 Version 22023 24 Enable Unix Sasbestitution File Hare m tutoriali Files of Type RELAPS ASCH decks 1 Oper Cancel Figure 2 2 File Import Options Notice in the Figure 2 2 File Import Options above the RELAP code version and version number must be selected during ASCII import If the model contains meta data which indicates the code version this will be compared to the selection from the input dialog If the two versions do not agree a confirmation dialog will be displayed shown in Figure 2 3 Version Mismatch This dialog allows the user to select what code version should be used to import the file The selected file was created using a different code verison than was selected in the import dialog Importing a model with the wrong version may result inloss of data It is recommended that models be imported using the same version with which they were exported The version can then be changed after import from the model options properties Choose the version to be used for import O Selected RELAP5 Version 3 3 From File RELAPS 3D Version 2 3 Figure 2 3 Version Mismatch RELAPS Plug in User s Manual 4 Creating a New RELAP5 Model Comment lines are ignored by the RELAP plug in during the import process with one exception Decks exported by SNAP include Description and Comment lines for components These lines are wr
16. between left and right pages suitable for printing in book form or as single pages more suited to an electronic document This setting mostly relates to page margins and the organization of elements in the header and footer such as which side of the footer includes the page number Misc contains the remaining options e Mathcad Output Format When user numerics are included in the notebook and one or more are Mathcad functions this setting determines the format of the function output created by Mathcad and linked in the document e Include Section Titles Determines whether the title of the section on a given page is listed in the header e Include Input Listing When selected the ASCII output for each component is listed in a code section after the annotated information e Include User Numerics Determines whether user defined numerics reals integers booleans tables and functions are included in the output e Include Owner Reviewer Listing Determines whether owner and reviewer names and timestamps are included in the annotated component information Open Exported Notebook When selected the generated document will be opened in the system specific document viewer e Include Component Images Determines whether components with non trivial View graphics include the component image in the document Sub System Settings Exported model notebooks may opt to organize model components by sub systems This functionality is
17. e CC RW FR NN FUN 51 A Edito a Resta Ca iio 61 e ASCTE UO md da areca errs ote dd A Ca eae esa eens 63 A A ete A DE a 63 3 Resta DECKS aaa ba tudio delle cop bbc lado 63 6 Model Validation Tests td sta di lianas 65 MS AI A A en eee 67 dsl Coordinate Generation uc lla 67 AE SS A 67 HEM EA A A 68 111 RELAPS Plug in User s Manual RELAPS Plug in Users Manual 72 2 rats toring COmponenit cto 68 YS NAS PIClerenCes a ls ds 70 8 Renoda MZA ea iO isis 73 A ean euletoeaers 73 SLEPE aa O 74 A UNTO areenaa a A A 75 ol IRS eME Y E S 75 SA A Eley ation Chante id 75 S L c ANNOUNCE CANCE ai 75 LO ReEMOdalI Zan ON RESUS oera a o 76 ed y E iii HRN O aoe ergata 76 9 21 Radial ReniodaHizauon ae A dae 76 0 2 2 AXA FR enodaliZatlon se Ana dia di id ERS 77 a A OC OR NG NR 78 2 ATHDUL Te Vel Wile rs aD ti ltd Sl TO Batea Command la 83 11 Importine Tnitial Conditions Dnd is 85 11 41 Ma nasino Initia Conditions ie a Y Y tad 86 12 Model INOLEDOOKS lt a a acs 89 3 Resoures Eile Import EXPO lia 93 RELAPS Plug in User s Manual iv Chapter 1 Introduction The Symbolic Nuclear Analysis Package SNAP consists of a suite of integrated applications designed to simplify the process of performing thermal hydraulic analysis SNAP provides a highly flexible framework for creating and editing input for engineering analysis codes as well as extensive functionality for submitting monitoring and interacting with the analysis codes
18. ft r Set Radial Locations jf Intenral Ween Define End Posion Include In Mode Source Index Thickness iD End Pas Tl Temp Cab Material value Material 1 Material 1 Material 1 htaterial 1 Figure 8 4 Heatstructure Radial Renodalization Axial Renodalization The most frequent cause of an axial renodalization for a heat structure is in response to renodalization of a connected hydraulic component The heat structure will attempt to produce the most compact nodalization that will provide equivalent heat transfer Essentially whenever a hydraulic cell connected to a heat structure is split the heat cell will be split in the same locations Heat cells will merge together as well but only if the surface boundary conditions on both sides of the heat cells are identical at each level That is if the left surface boundary conditions are the same and the right surface boundary conditions are the same the two cells will automatically coalesce into a single cell The user may create a new heat structure nodalization by splitting or merging axial levels directly through the Axial Node Surface BC s editor Figure 8 5 Heatstructure Axial Editor shows each of the axial nodes along the heat structure The ability to merge cells is available when two or more cells are selected from the upper table Splitting is allowed when one or more cells are selected 77 RELAP5 Plug in User s Manual Pipe Split sLlrfaces
19. in Figure 4 1 Creating a Restart Case Once created a restart case can be edited in either ASCII or Graphical mode depending on the Editing Mode property by pressing the Edit button for the Restart Model property The Show ASCII pop up menu item can also be used to view the contents of a case Note Graphical editing of restart cases is only available for RELAP5 3D models Editing a case graphically opens the case as a Virtual Model in the Navigator as shown in Figure 4 2 Graphical Restart Editing When graphically editing a restart case a restart panel is shown above the Navigator tree This panel indicates that restart case is being edited and provides shortcuts for both saving and closing the restart case The ModelEditor tracks any changes made to the model in this mode and colors the modified components red in the Navigator Once the changes have been made they can be saved back into the Restart Case as a restart input deck by pressing the Save button or discarded by pressing the Close button 61 RELAPS Plug in User s Manual He Reactor Kinetics G Hydraulic Components 109 o Accumulators 2 e fl annulus 1 o Branches 13 E Candu Channels 0 es ECC Mixers 0 Ti Jet Mixers 0 E Multiple Junctions 0 Pipes 22 A PIPE 100 Cihl Figure 4 2 Graphical Restart Editing Note Not all properties can be edited for a restart These properties will be disabled when editing a restart The contents o
20. o Variable Trips 60 w General Show Disabled Trip Num Format Expanded 7 2 Figure 3 48 Trip Numbering Format 3 3 4 General Tables General tables provide input for several RELAP components including heat structures valves reactor kinetics and control systems The general table defines a table of input of with an 43 RELAPS Plug in User s Manual Interactive Variables independent dependent variable relationship A few examples of available general table input relationships are provided below e Temperature Vs Time e Heat Transfer Vs Time e Reactivity Vs Time e Heat Transfer Vs Temperature The provided table editor for General Table table data is identical to other editors in the Relap plug in It provides a means of adding and removing rows using an Add and Remove button In addition a right click menu item is provided which will sort the General Table data based on independent variable The table editor is shown in the figure below gt Editing Table Data Power bws 1000 0 Figure 3 49 General Table Table Data Editor The General Table property view is provided in Figure 3 50 General Table Property View General Show Disabled Component Number Description lt none gt Table Type Reactivity Vs Time Table Trip Logical Trip 1618 Independent Factor 1 0 my Dependent Factor 20 65 gt ab Table Data Figure 3 50 General Table Property View 3 3 5 Int
21. of the component category in quotes RELAPS Plug in User s Manual 84 Chapter 11 Importing Initial Conditions The RELAPS plug in provides the ability to import initial conditions from a previously completed job The Navigator model node pop up menu provides option Retrieve Initial Conditions which opens a job selection dialog The dialog has a selection utility for defining which components will receive updated initial conditions The Selection dialog shown in Figure 11 1 Select IC Receiving Components contains a list of each of the categories of components contained in the RELAPS model A checkbox next to each entry indicates that the components in those categories which are selected will be updated on Initial Conditions import Selecting on the individual category table cells provides an additional selection dialog which determines which of those category s components will be updated Restart Selection no x e ll localhost 5006 Calcserv localhost RUNS CS RUNS Job _2___________ Calc Type a HE ES a Select Components a 1 0E9 No Include Catego 2 2 Accumulators E 0 Time Dependent Volumes 12 Time Dependent Junctions w P 8 Valves Clear Selection _ Preserv a P Restart No Time HS Temps Time Figure 11 1 Select IC Receiving Components Note In order to import the initial condtions from a specific job it must first be loaded using
22. that will be created and the fraction of the original cell they will represent If the fractions entered do not sum to 1 0 the user will be prompted to normalize the ratios using the Normalize button before continuing RELAPS Plug in User s Manual 74 8 1 2 8 1 3 8 1 4 8 1 5 Split Uniform Split Uniform Menge S4 Announce Changes Span Component Wide Elevation Nodes Figure 8 3 Split Cell Dialog Splitting a cell results in multiple smaller cells that occupy the same total volume as the original The cell volume is examined and compared with the flow area s on either side of the cell If there is an abrupt area change then all internal junctions are based on the area corresponding to the cell s volume If the volume does not correspond to the flow area on either side of the cell the cell is assumed to be a conical section and the internal junction flow areas are calculated appropriately These same conditions are used to determine the volume of each of the smaller cells Split Uniform The Split Uniform button allows the user to split each of the selected cells into a user specified number of evenly sized cells Properties for each junction are determined in the same manner as described in Section 8 1 1 Split Merge The Merge button joins the selected cells together into a single cell This button 1s enabled when 2 or more cells are selected Elevation Change The Elevation tab contains a
23. the load action denoted by the arrow icon Once the desired job is selected and loaded an appropriate restart number should be choosen The included arrow keys allow cycling through the restarts for a given job The restart number and restart time is displayed for each restart encountered in the file Additionally heatstructure internal mesh temperatures can be imported from a Major Edit closest to the selected restart number if desired The layout of the Retrieve Initial Conditions dialog is similar to the Job Status interface and is shown in the following figure 85 RELAPS Plug in User s Manual Managing Initial Conditions Restan Selection gt Ml localhost 5006 Calcserv localhost RUNS e RUNS o Al tigger 5006 r5_tutorial ex2 RELAP Complete 2008 09 18 15 08 03 EDT 1 0E9 No o Al daffy 5006 o Al mars 45000 206 Selected Components _ Preserve Numerics Restart No Time 44 4 gt b gt Figure Retrieve Initial Conditions Retrieve Initial Conditions After a restart has been located pressing the OK button begins the initial condition import for the selected components Any errors encountered during the import process will be reported to the Message Window Once the initial conditions import has completed all selected components should have updated initial conditions 11 1 Managing Initial Conditions In addition to being able to retrieve initial conditions the RELAPS plug in allows
24. 1 of 8 R O No Source ANNULUS 315 Cell Symmetry Valid Values 5 0 No Source JANNULUS 315 Cell Symmetry Valid Values Ending Cell 17 of 8 6 0 No Source ANNULUS 315 Cell Symmetry Valid Values 7 0 ee a ar symmetry iei Values Cere ee Heat Cell Hydro Cell v General Show Disabled Boundary Connection Hydraulic Volume M Cell ANNULUS 315 Cell 1 Hydraulic Face 0 X Axis M S Boundary Type INN Convective M Convection Boundary 101 Default v wreacode mmm Ooo o e Cylinder Height 2 1353 WP Ok Cancel Figure 3 55 Heat Connections Dialog Pressing the E button for the Cell property will open the Heat Connections dialog to allow a range of Hydraulic cell connections to be made to the selected Heat Cells In the above figure three Heat Cell connections are being made The Hydraulic Component property determines to which component the cell connections are being made The Starting Cell and Ending Cell properties determine the range in which to assign volumes to the Heat Cells Heatstructure Radial Geometry Radial geometry and associated properties are edited through the Geometry property editor which opens the dialog shown in Figure 3 56 Heatstructure Radial Geometry Editor This dialog allows the radial mesh thicknesses as well as radial mesh positions to be specified Optionally the radial geometry of another h
25. APS Plug in User s Manual 94
26. Any model with defined 3D coordinates may be displayed in the 3D model viewer To open the 3D view for a model right click on the model in the navigator and select the View Model in 3D option Figure 7 2 3D Model Viewer below shows the 3D viewer and details some of the GUI options 67 RELAPS Plug in User s Manual Camera Controls 3D Hydraulic View E Reset Camera Translation Reset Camera Zoom Reset Camera Rotation Ch Lasso Select 0 Move Rotate Coordinate Axis Status Figure 7 2 3D Model Viewer 7 2 1 Camera Controls 3D views may be rotated translated or zoomed as desired to obtain the clearest view of the model The camera may be controlled through the mouse or using the camera control buttons on the left side of the 3D view The camera settings can be reset at any time using the reset buttons in the camera controls The mouse controls are used by pressing the mouse button and dragging on the 3D view The left mouse button rotates the view the right mouse button translates the view and the middle button zooms the view 7 2 2 Transforming Components Component locations may be modified through the 3D viewer Selected sets of components may be shifted along the X or Y axis or Pivoted about a selected component s cell center These transformations are performed on the selected components in the 3D viewer To select RELAPS Plug in User s Manual 68 Transforming Components compone
27. ELAPS input decks by using the File gt Import gt RELAPS ASCII menu item The free version of the plug in supports RELAP5 MOD3 3 The RELAP5 3D plug in adds support for RELAP5 3D versions 2 2 2 3 and 2 4 The RELAP5 3D plug in import file selector contains options for selecting both code and version to import In addition Unix substitution variables are supported if the option is selected Unix substitution variables begin with a character and are imported as user defined numerics 5 2 Restart Decks RELAPS supports restarting finished calculations through the use of a restart deck A restart deck contains a subset of the data in the original input deck The RELAP plug in s support for Restart Decks is handled with Restart Cases in the model as described in Chapter 4 Editing a Restart Case 63 RELAPS Plug in User s Manual 64 Chapter 6 Model Validation Tests The RELAPS plug in performs optional tests to validate the data inside the model These tests occur before a model is exported to ASCII submitted to a calculation server or when the Check Model button is pressed Currently the RELAP plug in provides a loop test in addition to the standard component validation checks for invalid data 65 RELAPS Plug in User s Manual 66 Chapter 7 3D Visualization RELAPS5 components may be modeled in 3D coordinate space The actual three dimensional layout of a model can be viewed and modified using the 3D viewer built into the SNAP Pre
28. RELAP5 Plug in Users Manual Symbolic Nuclear Analysis Package SNAP Version 4 3 1 October 25 2012 Applied Programming Technology Inc 240 Market St Suite 208 Bloomsburg PA 17815 1951 RELAP5 Plug in Users Manual Applied Programming Technology Inc by Ken Jones Bill Dunsford John Rothe Don Ulshafer and Dustin Vogt Copyright 2007 2012 eK Disclaimer of Liability Notice The Nuclear Regulatory Commission and Applied Programming Technology Inc provide no express warranties and or guarantees and further disclaims all other warranties of any kind whether statutory written oral or implied as to the quality character or description of products and services its merchantability or its fitness for any use or purpose Further no warranties are given that products and services shall be error free or that they shall operate on specific hardware configurations In no event shall the US Nuclear Regulatory Commission or Applied Programming Technology Inc be liable whether foreseeable or unforeseeable for direct incidental indirect special or consequential damages including but not limited to loss of use loss of profit loss of data data being rendered inaccurate liabilities or penalties incurred by any party or losses sustained by third parties even if the Nuclear Regulatory Commission or Applied Programming Technology Inc have been advised of the possibilities of such damages or losses Table of Contents gs
29. Then select Table Function for the Material Type in the properties of the newly created material w General Show Disabled Component Name unnamed gt gt gt Description mme ER Material Type oz CY Carbon Steel C STEE C STEEL et b 201MMMOI1 43 Carbon Steel C 5TEEL Stainless Steel 5TEEL Uranium Dioxide U07 fircaloy F GAP Table Function DELETE Figure 3 59 Material Type Editor 3 Reactor Kinetics RELAPS supports Point Kinetics and the RELAP3D supports both Point and Nodal Kinetics Both of these reactor kinetics options are supported by the RELAPS plug in Initializing Reactor Kinetics To enable Reactor Kinetics select the Reactor Kinetics node from the Navigator and change its Enable property to True in the Property View This will open the completion dialog shown in Figure 3 60 Point Kinetics Completion Dialog and Figure 3 61 Nodal Kinetics Completion Dialog Cartesian Hexagonal Options that are not available for a particular kinetics or feedback type are shaded in grey Note To disable Reactor Kinetics set the Enable property False To remove the kinetics information from the model select the Clear item from the right click pop up menu of the Reactor Kinetics node in the Navigator 51 RELAPS Plug in User s Manual Point Kinetics Setup Reactor Kinetics Reactor Type Feeilback Type Geometry Twe X Nodes Y Hodes F Nodes i Hodes Newton Cat AFIS
30. a user to store and load existing initial conditions Each of the stored initial condition sets will be saved and loaded with the model The editor for managing model initial conditions can be accessed from either the right click pop up menu item of the RELAP5 model node or in the Model Options property view next to the Initial Conditions property The editor is displayed below in Figure Manage Initial Conditions Manage Initial Conditions Editor Manage Initial Conditions Description 1 Initial Status The base initial conditions of tynnwr 2 Pre Scram The initial conditions of the model right before scram Ee Retrieve Figure Manage Initial Conditions Manage Initial Conditions Editor Notice that the editor provides a few options for managing initial conditions Selecting the Retrieve button will cause the dialog to display the retrieve initial condtions dialog shown in Figure Retrieve Initial Conditions Retrieve Initial Conditions The dialog provides a way to set the initial conditions by importing them from an existing run Selecting the Store button will store the current model initial conditions This can be used in conjunction with the Retrieve RELAPS Plug in User s Manual 86 Managing Initial Conditions button to save sets of retrieved initial conditions Once a set of conditions has been stored a name and label can be applied to identify those conditions Selecting the Load button will load the conditions of the se
31. al Sub Systems Title Page Tithe Page Note Classification UNCLASSIFIED Header Sample Header Footer Sample Footer Page Styles Left Right Single Page Misc Mathcad Output Format Rich Text Format rtf 7 Include Section Titles Include Input Listing Include User Numerics Include Owner Reviewer Listing Open Exported Notebook Include Component Images Figure 12 1 Export Model Notebook Dialog General Settings The majority of document configuration occurs in the General tab The available options are described below Title Page allows selecting or creating a model note to use as the document title page To the right of the field are three buttons related to the reference Select Edit and Preview Select brings 89 RELAPS Plug in User s Manual Sub System Settings up a selection dialog to specify which note is referenced Edit opens a dialog for modifying the selected note Finally Preview will export the note as an ODF to a user specified location and open it in the system specific default document viewer The Classification Header and Footer fields are optional values placed into the document header and footer Header when specified is placed at the top of every page in the document likewise for Footer and the bottom of the document If Classification is specified the text is placed in large type in both the header and footer Page Styles determines whether the document is generated as pages that alternate
32. anch Notice that the Branch in the Property View provided below contains two External Junctions w General Show Disabled lt None gt Invalid Values Figure 3 21 Branch Property View 25 RELAPS Plug in User s Manual Separator 3 2 10 Separator The Separator SEPARATR component is a specialized branch component with three junctions vapor gas outlet 1 liquid fall back 2 and two phase inlet 3 The Separator shares many properties with the Pipe component Refer to Section 3 2 5 Pipe for more detailed information Geometry HPARATR H Cro e Un rein Momentum Liquid Cutet Tao phase Inlet Cals Cation CF Junci ns Figure 3 22 Separator Junction Labels Separator Properties RELAPS allows the specification of multiple staged Separators Selecting the Separator Model property provides a list of options which determine the type of Separator being specified Depending on the type of Separator being modeled specific stage properties become available The four types of Separators allowed in RELAPS are listed below e Simple Separator e GE dryer Model e GE two stage separator e GE three stage separator The RELAPS Separator modeling provides the ability to define a series of Separators based on a single Separator Notice in the below figure a Number of Components property 1s provided which accepts an integer value corresponding to the number of Separators represented this is available for a S
33. at Axial Cell Source Inner Surface Outer Surface Cell Data Boundary Conditions Boundary Conditions 1 0 No Source PIPE 204 Cell 1 Y PIPE 270 Celli 1 V 2 0 No Source PIPE 204 Cell 2 V PIPE 270 Cell 2 Y 3 O No Source PIPE 204 Cell 3 V PIPE 270 Cell 3 Y 4 O No Source PIPE 204 Cell 4 V PIPE 270 Cell 4 Y 6 OJNoSource PIPE 204 Cell 6 V 7 O NoSource PIPE 204 Cell 7 V PIPE 270 Cell 2 V 9 O No Source PIPE 108 Cell 1 V PIPE 170 Cell 1 V 10 0 No Source PIPE 108 Cell 2 V PIPE 170 Cell 2 V IPE 108 Cell 3 V PIPE 170 Cell 3 V IPE 108 Cell 4 V PIPE 170 Cell 4 V Add Remove w General Show Disabled Na Properties Available Figure 3 53 Heatstructure Connection Editor Notice the table layout of the Heatstructure axial cells in the above editor Selecting a cell from the Axial Cell column provides properties associated with the selected cell s in the Property View provided below the table The figure below shows the associated Axial Cell column properties RELAPS Plug in User s Manual 46 Connecting a Heat Structure E Surfaces Heatstructure 3160 ey Additional Boundary Condition Data Left Bound Option 9 Word Format aa Include Right Surface _ P Right Bound Option 9 Word Format Axial Cell Source Inner Surface Outer Surface Call Data 3 1diti ndary ition 1 0 No Source ANNULUS 315
34. at is stored with that component This includes owner last modified time reviewer and last reviewed time The user who last modified an attribute is its owner When an attribute is modified the current user becomes the owner the last modified time is set and the reviewer last reviewed time are discarded The ownership data of an attribute is enabled and disabled along with the attribute Because some attributes can be enabled and disabled frequently during the normal creation of a model this data is retained until the model is saved Saving a model discards the ownership data for all disabled attributes Attributes can be Reviewed in the Review Properties window This window includes a table of every attribute in the model along with its component attribute group and owner reviewer To review an attribute select it in the table and press the Review button on the toolbar The search parameters at the top of the window can be used to narrow the attributes to just those necessary to the task at hand Only those attributes that match all of the enabled search parameters will be displayed The following search parameters are available Property Name Component Component Type Owner Reviewer Modified Before After and Reviewed Before After The Reviewer Modified Before After and Reviewed Before After search parameters are dates The Property Name Component Component Type Owner and Reviewer parameters are matched using the wildcard or glo
35. ation of input data Trips activate when an input value enters or exits a specified range 3 3 1 Signal Variables Signal variables serve as input obtained from elsewhere in the model This may be a global property such as calculation time or a probed value from a specific location in a component 4 RELAPS Plug in User s Manual Control Blocks such as the pressure in a cell of a pipe The signal variables are further divided by the source of the property General Signal Variables General signal variables serve to retrieve general system information Current problem CPU time current timestep or mass error estimate are three examples of many General signal variable types Component Signal Variable Component signal variables obtain a specific value from a component such as turbine efficiency pump torque or valve area ratio These signal variables require a component reference but have no specific location The properties of a sample Component signal variable are displayed below in Figure 3 46 Component Signal Variable w General Show Disabled Signal Type PMPTRQ ll Pump GF PUMP 209 bpump HF Figure 3 46 Component Signal Variable Volumetric Signal Variable Volume signal variables are used to obtain a value from a cell inside a hydraulic component These signal variables require a hydraulic component reference and a location called Parameter Pressing the S button will open a component sele
36. aved med file for its resource information Once the exported model has been updated through the use of a text editor 1t can be imported back into the Model Editor using the normal RELAP import routine The plug in will identfiy the ASCII model as a resource model and attempt to locate the resources for that model The following dialog is provided when a resource model is imported 93 RELAPS Plug in User s Manual Select an Option The selected input model contains a resource model reference to CASNAP_PROJECTS CAFEAN lib Samples Typpwrityppwr med Would you like to import resources from the file Figure 13 2 Resource Model Import Once the resource file has been located the RELAPS plug in will gather all the information required to import the resources into the new model The user has the option to decide which of the resources will be included in the new model once the import has completed The de sired resources can be choosen from the provided configuration dialog This dialog can be seen in Figure 13 3 Resource Options Resource Options Please select the desired resources to import from the following options Numerics Documentation Figure 13 3 Resource Options Once all of the desired resources are selected the import will commence and create the new model The model will contain any modifications made with the text editor during the resource export and will include each of the selected resources REL
37. b syntax commonly used by command line interpreters Sl RELAP5 Plug in User s Manual 82 Chapter 10 Batch Commands The RELAPS plug in adds support for the following ModelEditor batch commands RELAP IMPORT flavor version lt RESTART gt lt Mn gt filename This command imports data from an input file If the file contains a complete model a new model will be created inside the ModelEditor Otherwise the data must be imported on top of an existing model e flavor One of the following import file types MOD3 3 An ASCII input file compliant with RELAP5 MOD3 3 R53D An ASCII input file compliant with RELAP5 3D e version One of the following versions e 3 3 RELAP5 MOD3 3 e 2 2 R53D e 2 3 R53D e 2 4 R53D e lt RESTART gt An optional argument used to indicate that the file is a restart deck and should be imported on top of the current or specified model e lt Mn gt An optional argument used to identify the model Valid model labels are M0 M9 e filename The file name which should include the full path to the file in quotes RELAP EXPORT lt LITERAL gt lt RESTART gt lt Mn gt filename This command exports the specified or current model to the given file e CLITERAL gt This option indicates that the RELAP5 3D model contains UNIX substitution variables that should be exported with their literal names e g SVARI e lt RESTART gt This option indicates that a restart deck sh
38. back property updates the lower table to define either volume or heatstructure feedback region data for the zone selected in the upper table The editor for the Volume Heatstructure Number properties provide cell selection that has a max and minimum value based on the component selected RELAPS Plug in User s Manual 58 Nodal Kinetics fone Region Feedback EN e RUTA mme TWM HS Regions malla 1 l i i l 1 l 1 n l i ee mb ee Pealik Vibia ho Region 1 Fluid Deri Fluid Teng Pani Slur Humba olurre Humbe Wen Wan Concentrator BRANCH 330 pig fudd Foegpion Darl Reir Pegado D a Dk W R Figure 3 70 Region Feedback Editor Composition Cross Section Editor This editor defines the Nodal Kinetics cross section input The editor provides an upper list of cross sections with an associated property view listed below Selecting the Add Remove buttons will Add and Remove cross sections from the upper table Selecting a cross section from the upper table provides a property view with editable properties in the lower section In the cross section property view there is an attribute marked XS Data This property has an associated editor that edits each of the specific cross section types Hovering over the displayed cross section types provides tool tips describing the associated scattering pattern Additional properties are provided depending on the chosen cross section type 59 RELAPS Plug in User
39. ble The Cell Options table includes editors for the thermal front tracking model mixture level tracking model and vertical stratification model More detailed information on each of these values can be found in the tool tips of each of the column headers RELAPS Plug in User s Manual 20 Pipe CelllJunction Friction Data PIPE 108 isgtubes ath Fj 1 lt W Wi 9 _ BW B se _ BW B 9 BW B 9 r WU o Y A A Y Number Thermal Mixture Packing Stratification Mon Eguilibriura Friction Friction y K id Cd Cd SIRIJE id K 6 Ww w Mm amp kd o 7 uw hal _6 Uun 4 Y W K Cell Options Wall Friction ORNL Data 3 5 R Figure 3 15 Pipe Friction Cell Options Table The Wall Friction table shown in Figure 3 16 Pipe Friction Wall Friction Table includes editors for the hydraulic diameter wall roughness shape and viscosity for the x y and z axis The Axis Specification combo box is used to select which axis is displayed Neither the y nor the z axis will be available unless specified in the cell geometry panel as shown in Section 3 2 5 Pipe 21 RELAPS Plug in User s Manual Pipe CelllJunction Friction Data PIPE 108 isgtubes lt 4 Wall Rough ft 0 06458 oo 19 oo A 0 06458 oo 19 oo Figure 3 16 Pipe Friction Wall Friction Table The Junction Friction properties table shown in Figure 3 17 Pipe Friction Junct
40. ction dialog displaying all hydraulic components in the model Junction Signal Variables Junction signal variables provide access to junction information for a specific hydraulic component Much like the Volume signal variables the user must select a hydraulic component Instead of specifying a cell the user must select a junction inside the component Pressing the S button opens the component selection dialog displaying all hydraulic components in the model Heat Signal Variables Heat signal variables provide access to heat structure values Much like volume and junction signal variables pressing the S button will open the component selection dialog to select the target heat structure Additional editors are provided to select the Surface and Parameter Power Signal Variables Power signal variables are used to obtain power related values from the reactor kinetics portion of the model Additional properties may be required depending on the Signal Type selected For example signal type RKOCRPSN requires that the Control Rod Group be specified 3 3 2 Control Blocks A control block is a control system component that manipulates input data Control blocks take input from signal variables or other control blocks and output a floating point value Input RELAPS Plug in User s Manual 42 Trips connections to the control blocks can be established by using the connect tool inside a 2D View Simply use the connect tool to connect the output
41. defined in the Sub Systems tab as shown in Figure 12 2 Export Model Notebook Sub Systems Tab RELAPS Plug in User s Manual 90 Sub System Settings B Export Model Notebook Typpwr_with_owners med 9 General Sub Systems Intact Loop Intact Loop Steam Generator sample Child Sub System disabled Broken Loop Broken Loop Steam Generator Figure 12 2 Export Model Notebook Sub Systems Tab The list of sub systems is limited to top level parent sub systems those not found within another system and any child sub systems they contain directly child status is indicated by an indented name The Nest flag indicates whether the components in the sub system are organized into a distinct section in the document nested or folded into their parent section non nested In the case of non nested top level systems the system components are folded into an implicit model wide section That same model wide section is also the home of all model components not organized into a sub system If either the model is devoid of sub systems or no systems are nested then system level sectioning is not performed at all Note Third level sub systems and beyond are implicitly folded into their second level parents The View column allows setting a view used to represent the sub system When a view reference is made an image of the view will be placed at the top of the system section View references are disabled for non nested systems as they have no
42. distinct section to house the image 91 RELAPS Plug in User s Manual 92 Chapter 13 Resource File Import Export The RELAPS plug in provides the ability to export an ASCII model from the Model Editor with each of its associated resources so that the model can be quickly tweaked and read back in without losing these resources The resources can be any combination of views numerics or model notes The exported model contains a numerics map which is written to the top of the file which identifies numerics that have been assigned within the model Numerics written to the ASCII deck are renamed and appear in the exported model in a unix substition format The resource map will identify the actual names of the numerics and the unix substitution names they are mapped to Resource exports can be made by selecting the Include Resource Map option in the ASCII Export menu This is displayed in below in Figure 13 1 ASCII Resource Export Select file in which to export the RELAPS deck Save in de Resources Or EE L sli Pu Recent Items E Indude Unix Subst Variables Indude Resource Map Documents A a A File name typowr_resources i Export RELAPS ASCII Network Files of type RELAPS ASCII decks i w Cancel Figure 13 1 ASCII Resource Export The plug in will prompt the user to save the med file for the model being exported if it has not yet been saved The ASCII export model refers to the s
43. djust the axial junction they connect to in a similar fashion Hydraulic connections are established from a junction on the source component to a cell on the target component When a hydraulic component is renodalized the hydraulic connections will update to connect to the correct node or junction While this change doesn t effect the ASCII it is necessary for rendering the connection in 2D views 8 2 Heat Structure Heat structures may be renodalized radially and axially Radial renodalization occurs when the mesh point array defining the radial geometry of a heat structure is modified Axial renodalization occurs either when changing the hydraulic component connected to the heat structure or when the user modifies the axial nodalization directly 8 2 1 Radial Renodalization The radial geometry of a heat structure may be modified through the radial geometry dialog shown in Figure 8 4 Heatstructure Radial Renodalization When the dialog is closed the heat structures will interpolate all internal tables such as fuel rod temperature based on the radial dimension Any heat structure signal variable reference that includes a radial location will automatically be updated to refer to the radial location closest to the original radial location selected RELAPS Plug in User s Manual 76 8 2 2 Axial Renodalization Edit Radial Geometry Mode Location ser Specie Wall Thickness Decay Heat Ime a False Inner Boundary 0 0
44. e Selecting the Enter Dzs option will enable the DZ table to allow elevation changes to be entered directly for each cell RELAPS Plug in User s Manual 16 Pipe Geometry PIPE 106 isqtubes eee Elevation 2D Drawing Mumber Change it Angle dec Pivot t 5 2 6 HS 80204 7 t e 090028738 040 Le t 4 5900 ee 2040 dd cevation Change From Orientation y 8 Orientation Figure 3 11 Pipe Cell Orientation The Junctions table shown in Figure 3 12 Pipe Junction Options contains all of the geometry data for the junctions of a pipe The Junctions table includes editors for hydraulic diameter flow area CCFL model choking model area change option and momentum flux option An editor 1s included to enable the energy equation modified PV term Also an editor is included to enable the single velocity homogeneous rather than two velocity non homogeneous momentum equations for each junction 17 RELAPS Plug in User s Manual Pipe Geometry PIPE 108 isgtubes Figure 3 12 Pipe Junction Options Note The number of cells and junctions inside a pipe cannot be edited directly after creation The 1D renodalization tool can be used to easily modify the nodalization of a pipe and automatically update any connected components Refer Chapter 8 Renodalization for more information on 1D renodalization Pipe Initial Conditions The initial conditions of the fluid
45. e ASCII file was created The free version of the plug in supports RELAP5 MOD3 3 The RELAPS5 3D plug in adds support for RELAP5 3D versions 2 2 2 3 and 2 4 Choosing a specific code version requires that the input file adhere to that codes input specification Specifying a code version determines which properties are available when editing a model and how those properties are exported Model validation checks will report discrepancies in data that does not comply with the specified version In addition to version selection the RELAP5 3D plug in supports the import of Unix Substitution Variables that begin with a character Substitution variables are represented as user defined constants within the ModelEditor and are assigned a value of 0 upon creation See Figure 2 2 File Import Options In addition to real values substitution varliables may be specified for the following integer input Model Options 201 W4 Control Option in Timestep Data 3 RELAPS Plug in User s Manual Importing an Existing ASCII File Hydraulic Volumes CCC9101 9 W1 Volume Control Option Reactor Kinetics 3000003 W11 3000003 W12 3000003 W13 3000003 W14 3000003 W15 Thermal Scattering Iterations Outer Iterations Outer Computation Iterations Maximum Order of Chebyshev Fission Transient Timestep Outer iterations 3000010 W3 Max Iterations 3000010 W4 Intervals Select RELAPS input deck to import Lookin
46. e connected to the left or right surface if a Boundary Type other than simmetric is selected The heatstucture surfaces editor provides the dialog shown in Figure 3 55 Heat Connections Dialog to allow the creation of multiple connections to the same hydraulic component At the top of the editor there are drop down boxes to specify the Additional Boundary Data Format for the Left and Right Heat Surfaces Specifying a format will update the property view for the selected surface Include Left Right Surface options are available to force output of Additional Surface data in the event the data is desired for a given surface which has no Hydraulic cell connections 47 RELAPS Plug in User s Manual Heatstructure Radial Geometry Heat Connections gt Surfaces Heatstructure 3160 Oj Xx Additional Boundary Condition Data Heat Left Bound Option 9 Word Format MEA Heatstructure Heatstructure 3160 Include Right Surface _ UO Selected Surface Inside Surface Right Bound Option 9 Word Format Axial Cell Source Inner Surface Outer Surface Hydraulic Cell Data Boundary Conditions Boundary Conditions Hydraulic Component ANNULUS 315 dcomer 1 0 No Source ANNULUS 315 Cell Symmetry Valid Values amp 2 0 No Source ANNULUS 315 Cell Symmetry Valid Values Bl 3 0 No Source ANNULUS 315 Cell Symmetry Valid Values Starting Cell
47. eat structure may be used by specifying the heat structure with the Node Location property Radial geometry may be input as either as a mesh thicknesses or radial positions In the second format only the ending radial mesh interval s position is required User defined numerics may be specified for values using either format The Radial Geometry dialog also allows for radial renodalization using the provided Split and Merge buttons For information on component renodalization refer to Chapter 8 Renodalization RELAPS Plug in User s Manual 48 Radiation Enclosure Edit Radial Geometry Node Location User Specified Wall Thickness Dera Heat me amp False Inner Boundary 0 0 ft Set Radial Locations Tf internal Mesh Cenes End Posibon Include In Node S Lance Index Thickness ft End Pas tt Temp Cab Material Material 1 Material 1 Material 1 Material 1 Figure 3 56 Heatstructure Radial Geometry Editor 3 5 Radiation Enclosure A radiation enclosure is a set of heat structures that communicate via thermal radiation conduction The RELAPS plug in supports radiation enclosures by providing editors for grouping available heatstructures Radiation Enclosure components are created using the Navigator right click pop up menu and selecting the New option The following figure displays the Heatstructures property editor which defines the grouping of heatstructures the enclosure defines Selecting the Add butto
48. eractive Variables Interactive Variables define input which may be changed during interactive model execution The card input defines input variable names and initial values Interactive Variables can be used RELAPS Plug in User s Manual 44 Heat Structures in trips control variable statements search arguments for some tables edited in minor edits and plotted With appropriate input an Interactive Variable can effect changes similar to those made by a reactor operator such as opening closing repositioning valves or setting new operating points in controllers Interactive Variables can be created like any other component type in the RELAPS plug in and are connected to other components using the 2 D view connection tool or editors which allow the use of Interactive controls The following figure displays the 2 D view of an Interactive Variable as input to a Lag type Control Block lag Figure 3 51 Interactive Variable Control Connection 3 4 Heat Structures The RELAPS plug in provides the ability to construct flat slab cylindrical and spherical Heatstructure components Editors are provided to allow specification of left and right heatstructure surface data and other heatstructure properties Creating a Heat Structure The Heatstructure component is created in the same manner as other components in the RELAP5 plug in Select the Heatstructure node in the Navigator and open it s right click pop up menu Select New item from t
49. ew Show Disabled Component Number Ls Description lt none gt Geometry Cells 1 f Juns 2 Friction Data Valid values Initial Conditions Invalid Cell Conditions shaft Velocity Stage Inertia Shaft Friction Discon Trip Turbine type Actual Efficiency Reaction Frac qegegegggegs Stage Radius Figure 3 27 Turbine Property View 3 2 13 ECC Mixer The ECC mixing component ECCMIX is a specialized branch with 3 junctions the ECC inlet 1 the normal inlet 2 and the discharge outlet 3 The geometrical description of the ECCMIX component is very similar to that of the Jet mixer component with the addition of 29 RELAPS Plug in User s Manual Valve an angle for the ECC pipe connection ECC Jun Angle For more information on the refer to Section 3 2 11 Jet Mixer 3 2 14 Valve A Valve is used to regulate flow by varying the flow area at a specific location in a flow stream The RELAPS valve is modeled as a junction component that provides a means of varying flow area as a function of time and or hydrodynamic properties Since the Valve is modeled as a junction it uses the same editing dialogs as the pipe component for geometry initial conditions and friction data Refer to Section 3 2 5 Pipe for more detailed information on these dialogs Valve Properties The valve properties are primarily dependent on the Valve Type selected Figure 3 28 Valve Property View below displays the
50. ew New components can then be inserted or pasted into the model The code type and version can be selected inside the Model Options 5 RELAPS Plug in User s Manual Opening an Existing RELAPS Model E select Model Type A Animation model cof AVF model DD COBRA model ET CONTAIN model 8 CRUD model ME FRAPCON model MELCOR model PARCS model R5 RELAF model TRACE model Figure 2 4 New Model Dialog 2 3 Opening an Existing RELAP5 Model In addition to being able to import an existing RELAP5 model the SNAP RELAP5 plug in provides the ability to load models saved by the ModelEditor Select the Open item in the File menu and choose the MED file containing the desired model Ctri N 5 Open Open Recent El Save Ctrl 5 Save As Ctri Shift s Close Close All RELAP models saved in the Model Editor will retain all component view and numeric information associated with a model Legacy RELAP med save files can be opened with all versions of the RELAP code plugin succeeding the version which created the save However a file which was saved by a newer version of the plugin will not open in previous versions and will report an error 2 4 RELAP5 Model Editing The RELAP plugin provides a series of editors for defining RELAP5 component attributes The Property View provides a number of generic inline editors for defining simple attributes The TRUE FALSE editor is one example of a general inline editor because i
51. f a Restart Case may also be imported from or exported to a local file To import a restart deck select the Import Case item from the Case s right click pop up menu Similarly to export a restart deck select the Export Case item from the Case s right click pop up menu RELAPS Plug in User s Manual 62 Chapter 5 ASCII I O RELAP5 models in the ModelEditor can be used to produce two different ASCII files These ASCII export options may be found on the right click pop up menu of the model node in the Navigator as shown below in Figure 5 1 RELAP5 Export Options and in the Export sub menu of the File menu 17 typpwr med typical pwr mo Export H Full ASCII Model Tools b Generate 3D Coordinates View Model in 3D Model Notebook Retrieve Initial Conditions Manage Initial Conditions Select Left Side to Compare Engineering Units 2 Model Options 2 Reactor Kinetics e GY Hydraulic Components 109 gt Control Systems 441 e E Heat Structures 17 amp Mi Materials 5 2 Radiation Enclosures 0 lal CCFL Models 0 gt FY Cases 1 i sub Systems 0 o 3 Job Streams 2 4 Connections 630 db Numerics 2 o Views 26 Figure 5 1 RELAPS Export Options 5 1 Input Decks A RELAPS input deck is an ASCII file containing all the data required by the RELAPS analysis code to execute a calculation Entire RELAPS models can be imported from R
52. fiowl Ibm s lors Figure 3 7 TDJ Flow Rate Editor 3 2 5 Pipe A pipe component is a series of volumes and interior junctions Figure 3 8 Pipe Completion Dialog displays the completion dialog for a new pipe created inside the ModelEditor If the RELAPS Plug in User s Manual 14 Pipe completion dialogs are not enabled the RELAPS plug in will remember the last values entered For a newly created pipe the cell volumes will be evenly divided along the specified length Inttaltze PIPE Total Length Flow rea Humber of Cells 204 Orientation Horizontal Vertical Figure 3 8 Pipe Completion Dialog Note The number of cells and junctions inside a pipe cannot be edited directly after creation The 1D renodalization tool can be used to easily modify the nodalization of a pipe and automatically update any connected components Refer Chapter 8 Renodalization for more information on 1D renodalization Pipe Properties The majority of pipe properties are cell and junction properties These properties can be edited using the custom editors provided for Geometry Initial Conditions Friction Data etc Figure 3 9 Pipe General Properties below displays the general properties of a pipe General Show Disabled Component Name lisgtubes Im Geometry Cells 8 Juns 7 Friction Data Valid values Initial Conditions Valid values En e Figure 3 9 Pipe General Properties Pipe Geo
53. he From the right click pop up menu A Heatstructure completion dialog is provided in order to initialize the component The Heatstructure completion dialog is shown in Figure 3 52 Heatstructure Completion Dialog Initialize Hearstructure Geometry 1 Flat Slab vr Surface Area 13370MP2 Thickness 0 0036 N Left Boundary 034 ft Temper auna 4100 F Material none Axial Cells 0 Radial Meshes ORK Cancel Figure 3 52 Heatstructure Completion Dialog 45 RELAP5 Plug in User s Manual Connecting a Heat Structure The Heatstructure completion dialog determines the geometrical layout of the component Specifying a geometry will update the editor heatstructure properties in accordance with the geometry selected Axial and radial Heatstructure nodalization is also defined using this editor Connecting a Heat Structure The RELAPS plug in Heatstructure does not have an associated 2 D drawn component and must be connected through its editing dialogs Notice in the Heatstructure Property View a property named Axial Cells BCs The editor for this property provides the ability to create connections to the left and right surfaces of the given Heatstructure as well as provide axial component renodalization For more information on Heatstructure renodalization refer to Chapter 8 Renodalization ES O Heatstructure 2041 Additional Boundary Condition Data Left Bound Option 9 Wo rmat Right Bound Option 9 Word Form
54. hose specified components have been made The lower table lists the specific hydraulic connection information into 2 categories the Local Side in which the hydraulic connection originated and the Remote Side in which the hydraulic connection connect to Information about each of side of the hydraulic connection is then provided and is displayed in Figure 3 41 Multi Dim Connections Bullies Vere BL i per hala ete a rwyn Tri ia ic T commit Campi Core hanbe Of Correction Bare Ht Ree hy Figure 3 41 Multi Dim Connections RELAPS Plug in User s Manual 38 Multi Dimensional Component Multi Dim 2D Editing Dialogs The remaining Multi Dim property editors provide a 2 D selection interface The 2 D display is split into 2 separate views a Top Down View and an axial Side View Selecting a hydraulic Cell Junction in one of the provided diagrams will select the associated hydraulic volume in the provided table If hydraulic cell properties are being edited the cells themselves may be selected from the axial view Additionally selecting rows of data from the table will highlight the appropriate data in the axial Side View This can be seen in the following figure ME TD 0 Deere TT et ry Tap Dyn mr Risg Ring Sect 4 Sat 1 Tr LLLL FEE yt EU yn AH a Pre me Ar e Pr ee Pr Ew yu 15 it it nel mat al a mn m mn Figure 3 42
55. inside a pipe must be defined for both the fluid cells and junctions The cells contain the fluid state information while the junctions detail the fluid flow data These properties are modified in the Cell Junction IC Data dialog This dialog is used to modify the initial conditions of all 1D hydraulic components The Cell Fluid initial conditions are displayed in Figure 3 13 Pipe Initial Conditions Cell Fluid below The Condition t flag value for each cell controls which columns are available for each cell Pop up help buttons inside the Condition editor describe each of the available condition values and the columns made available by each The Fluid e flag value for each cell is not modifiable using the Model Editor The fluid type of a hydraulic component is defined by the it s hydraulic system The hydraulic system properties are described in Section 3 1 Model Properties If a non zero e flag is encountered during ASCII import the value of that flag 1s compared with the fluid defined by the component s hydraulic system If no hydraulic system exists that contains the component a new hydraulic system will be created with the fluid set to the value of the e flag Hydraulic systems created in this way will have the source component and cell set as their root cell and their reference elevation will be set to 0 0 RELAPS Plug in User s Manual 18 Pipe Cell Junction IC Data PIPE 108 isgtubes gt Number Boron asi F Qual
56. ion Friction Table includes editors for the forward and reverse loss coefficients as well as editors for the Reynolds dependent loss coefficients RELAPS Plug in User s Manual 22 3 2 6 3 2 7 Annulus Celll Junction Friction Data PIPE 108 isgtubes lt Cell Options Wall Friction Junction Friction ORNL Data Figure 3 17 Pipe Friction Junction Friction Table Note For any of the Pipe editors and most editors in the model which edit real valued input the RELAPS plug in provides the ability to choose User Defined Numerics A User Defined Numeric can be specified by doubling clicking a cell for editing and then using the User Values menu item from the right click pop up menu The User Values menu item will provide the ability to choose a User Defined Numeric from the list of all available numerics For more information regarding user defined numerics refer to the SNAP User s Manual Annulus The annulus component input is identical to a pipe component except the annulus component must be vertical and the annular mist flow regime is different Refer to Section 3 2 5 Pipe for more detailed information Pressurizer The RELAPS Pressurizer component consist of many properties contained in the Pipe component and utilizes many of the same editors to define them In addition to the Pipe properties the Pressurizer contains a Surge line Junction In order to specify the Surge line Junction a connection must be made to
57. itten to the deck using d and c as prefixes respectively Meta data is included at the top of the model and contains information such as the current SNAP version and the model s RELAP code version as shown below d The is a description tag for the bypass which is written and read by the RELAP5 plug in xc This is a comment tag for the bypass which is written and read by the RELAP5 plug in m CODE RELAP5 3D Version 2 4 i name type 3200000 dcbypass pipe ncells 3200001 6 SNAP uses these prefixes to allow embedded comments and descriptions to be retained when importing a deck that was exported by the Model Editor This mechanism can also be used to identify comments in legacy decks that should be retained on import Additional Import Notes e The SNAP RELAPS plug in will replace duplicate cards with the most recent 1 e last card in the input file e Any undefined cards encountered during the import process will be added to the Extra Deck Data property in Model Options e Input after the first RELAP case is added to the After Case Data After Case Data data is not processed by the plug in e Any non ASCII format characters will be ignored on import 2 2 Creating a New RELAP5 Model A RELAPS model can be created by selecting RELAP from the list of available plug ins in the New Model Dialog The New Model Dialog is provided when selecting the File gt New menu option This will create a new RELAP5 model with a single open vi
58. ity Temp 1 Pn U 2234957846 2 PTA O 22290 567 23 10 3 ma l a ss 190 BERNA a Ss O oa MA O DD tol 0 0 550 16 MAN MM MM sen O 22143 sas e pn ao 53794 7 po raras elem O r527 Steam Tables Cell Fluid Noncondensibles Figure 3 13 Pipe Initial Conditions Cell Fluid The Junction Flow initial conditions include the flow velocity or mass flow for each fluid phase As with the cell panel junction selection is reflected in both the table and the visual representation of the pipe Figure 3 14 Pipe Initial Conditions Junction Flow below displays the junction panel in the pipe initial conditions dialog 19 RELAPS Plug in User s Manual Pipe Cell Junction IC Data PIPE 108 isgtubes Y O Velocities Mass Flow Mumber Mass Flow Ermis Mass Flow Ermis Eo a EEES II A A EEE IO O 8 ASSES O A EEE IO Bo e 6 EASES yo 8 OGASSES 0 0 Cell Fluid Noncondensibles Junction Flow_ Figure 3 14 Pipe Initial Conditions Junction Flow The Noncondensibles table includes columns for overriding the mass fraction for each nondondensible gas included in the model Pipe Friction Data The pipe friction data defines the resistance to fluid flow through each junction All 1D hydraulic components use a similar dialog to edit their friction data Figure 3 15 Pipe Friction Cell Options Table below displays an the junction friction dialog for a pipe and its included Cell Options ta
59. junctions must have their TO connection codes referring to the Jet mixer volume and the discharge junction must have its FROM connection code referring to the Jet mixer volume If this is not the case an input error message is printed The drive and suction junctions must be connected to the inlet side of the Jet mixer volume and the discharge junction must be connected to the outlet of the Jet mixer volume If this is not the case an input error message is printed Jet mixer editing dialogs label junctions to be their appropriate name as shown in Figure 3 24 Jet Mixer Junction Labeling 2l RELAPS Plug in User s Manual Turbine Geometry JETMILAER 1 Junetion Hydraulic Choking Single Vel Area Number Diam tre Mode Momentum Change Driveiniet_ SUCTION mlet Gutiet Celis Orientation DZ Junctions Close Figure 3 24 Jet Mixer Junction Labeling 3 2 12 Turbine For a TURBINE component the primary steam inlet junction must be input with the TURBINE component as the first junction If a steam extraction bleed junction is desired it must be input with the TURBINE component as the second junction Thus the number of junctions must be either 1 or 2 Cards CCC1101 and CCC1201 represent the steam inlet junction and Cards CC2101 and CCC2201 represent the steam extraction bleed junction if desired The TO connection for the steam inlet junction must refer to the inlet of the
60. l croeso 2 siel faces d ANILLOS 14 cdcina 11 l oft eat Cri Cr i putei Maced ANNA LES 15 duns 1 i gf i CEC cn deal iar AMALIE 19 daci n 1 font nenio 2 cual ac AMPL 12 cin Pe LIS 15 dcir 11 l mi i Cri EF CY i uel faces ANALILUG 16 dicen y i gf LE DER ia JI Piel are BIAHAN ILYS 15 dcir 11 l m i Dr EF CY I Dur faces AAA 14 cin 1 iL gi Cot rc ya JI Piel faces TIPIPE Fi debat tort esoo ua ares AMP LES TO dem 1011 ER CA Ci dl aca B PIPE 7 debat Ah ji oft TT i Dull faces ANMA LES 14 icin 1h i g CA CA OA al faces PIPE TT dic hal fort irket AHMILILLFS 3 dc koog 1071 inks Add Hasir Figure 3 30 Multi Junction Connection Editor The Multi Junction Connection Editor provides the ability to Add Remove and Edit connections The From and To component properties are edited with a hydraulic component selection editor Once a component is specified the From Cell will update to coincide with the selected components nodalization scheme Refer to Figure 3 31 Multi Junction From To Cell Editor The From Cell and To Cell property editor provides a drop down box which displays a listing of all available hydraulic volumes Edit Multi Junction Junctions Fromm From From To To Index Component Cell Face Component Call Face 410 EAlcrossfow 2 ANNULUS 2 crossflow 2 ANNULUS x ANNULUS 5 5 crossflow 2 ANNULUS ANNULUS xXx E c
61. lected set A stored set of conditions will be deleted when the Remove buton is selected Note Once a set of conditions is retrieved from an existing run and stored the conditions can be loaded without having the existing run available 87 RELAPS Plug in User s Manual 88 Chapter 12 Model Notebooks The RELAP5 3D plug in supports the generation of model wide reports as a single annotated document called a Model Notebook Information such as calculations export data model status attribute descriptions etc are all included Note Model Notebooks are created in the OpenDocument Format ODF Many contemporary versions of office software suites provide support for ODF files For versions without support has often been backported in the form of plug ins or filters In particular an ODF plug in for Microsoft Office is provided by Sun Microsystems at http www sun com software star odf_plugin To export a model notebook first open either the File menu or right click on the model node in the Navigator In the resulting menu select Model Notebook from the Export sub menu An Export Model Notebook dialog will appear as shown in Figure 12 1 Export Model Notebook Dialog Document related settings are all placed within the General and Sub Systems tabs explained below The Export button at the bottom of the dialog will initate notebook generation with the current configuration Export Model Notebook Typpwr_with_owners med Gener
62. metry The geometry of a pipe is edited through the geometry dialog The geometry dialog consists of a graphical representation of the pipe at the top of the dialog and a set of tabbed tables for 15 RELAPS Plug in User s Manual Pipe editing the pipe s geometry at the bottom of the dialog The geometry editing tables include the Cells Orientation DZ and Junctions tables Selections made in these tables will be reflected in the graphical representation and vice versa Table values that cannot currently be edited are shaded in grey The Cells table allows the user to change the volume length and area of cells A set of radio buttons is provided to select which of these values will be calculated automatically Check boxes are also included to allow the specification of Y and or Z crossflow lengths and areas for each cell Figure 3 10 Pipe Cell Geometry displays the Cells panel of the pipe geometry dialog B Geometry PIPE 109 Isgtubes Figure 3 10 Pipe Cell Geometry Pipe cell orientation is edited using the Orientation table shown below in Figure 3 11 Pipe Cell Orientation This table includes buttons for selecting vertical or horizontal orientation as well as specifying an exact angle for each cell This table also includes a display of the resulting elevation change across each cell The Elevations combo box at the bottom of the table can be used to determine which orientation properties will be specified for this pip
63. mponents and the RELAPS plug in will update to provide editors for this data 3 2 Hydraulic Components 3 2 1 RELAP5 components used to model fluid dynamics are grouped together as hydraulic components These include pipes pumps single junctions etc Hydraulic components are found by expanding the Hydraulic Components node in the Navigator The RELAPS plug in provides some standard functionality for hydraulic components including e ASCII Views It is possible to display the ASCII representation of hydraulic components being edited by the ModelEditor The right click Navigator pop up menu on a specific Hydraulic component contains the menu item Show Ascii Selecting this option provides the analyst with the ASCII representation of the selected components In addition the RELAP5 plug in will automatically update this ASCII view whenever values are changed e 2D Drawn Representation The RELAPS plug in provides the ability to display hydraulic components in a 2D view The right click pop up menu for each hydraulic component or category in the Navigator contains the Add to View item that can be used to add the component or components to the selected 2D View e Component Documentation Each hydraulic component has a pop up menu item labeled Reference Docs This option will locate the segment of the RELAP input manual which corresponds to the component selected and display it using the default PDF viewer e Copy Paste Functionality The
64. n will add a new heatstructure to the list of grouped heatstructures while the Remove button removes the selected heatstructure from the group Selecting on a Heatstructure in the above list provides an appropriate property view the for selected item below 49 RELAP5 Plug in User s Manual Materials Radiate Conduction Enclosure Edit al Location 1 Heat Location 2 Heat Location 3 Optional C Disabled Figure 3 57 Radiation Enclosure HS Grouping The RELAPS plug in also provides an editor for defining Radiation Enclosure View Factors Notice in the figure below that the column tool tips provide information on the surface being edited View Factors Editor ES Surface s S 1 8 3 oD 82 Heatstructure 104 9 tc a Surface Righl Axial Level 1 Figure 3 58 Radiation Enclosure View Factors 3 6 Materials RELAPS provides a set of pre defined materials such as carbon steel stainless steel zircaloy etc To include any of these materials in a RELAP5 model first create a new material by selecting RELAPS Plug in User s Manual 50 Reactor Kinetics the New item from the right click pop up menu of the Materials navigator node Then select the desired Material Type in the properties of the newly created material as shown in Figure 3 59 Material Type Editor RELAPS also supports user defined tabular function material properties To create a user defined material first create a new material
65. nditions editors are similar to the Pipe component as described in Section 3 2 5 Pipe Additional properties for the RELAPS Accumulator are displayed below mw Disabled Name jet Component Number 190 Description lt none gt Geometry Flag Geometry Cells 1 Juns 1 Friction Data Valid values Initial Conditions Valid values Tank Liq Vol Liq Level Surge Length Elevation Drop Wall Thickness Heat Flag Tank Density Heat Capacity Trip a lt Inactive gt Figure 3 34 Accumulator Property View RELAPS Plug in User s Manual 34 Multi Dimensional Component 3 2 19 Multi Dimensional Component The Multi Dimensional hydraulic component MULTID defines a one two or three dimensional array of volumes and the internal junctions connecting the volumes It is described as a three dimensional component but can be reduced to two or one dimensions by defining only one interval in the appropriate coordinate directions The geometry can be either Cartesian or Cylindrical The Multi Dim component is only available in RELAP 3D A Multi Dim component with a cylindrical geometry is displayed in the following figures Multi Dim components with a Cartesian geometry have near identical editing dialogs Multi Dim Completion Dialog The RELAPS plug in provides a completion dialog which describes the geometrical attributes of a newly constructed Multi Dim Three specific geometry types are supported and are as f
66. netics for RELAP53D models is defined using the completion dialog shown in Figure 3 61 Nodal Kinetics Completion Dialog Cartesian Hexagonal Nodal Kinetics supports Hexagonal and Cartesian geometry types This geometry can be specified as full core 1 3 core or 1 6 core hexagonal geometry and full Core 1 2 core or 1 4 core cartesian geometry The following is an overview of the more complex editors used by the Nodal Kinetics properties Mesh Length Editor The Mesh Length Editor is used to define the X Y and Z axis node lengths for each node Pressing the X Y and Z radio buttons will display the node lengths for that axis in the table The Z axis starts from the bottom of the mesh and proceeds upward Mesh 1 is the bottom The X axis starts at the left side of the axial mesh looking down and proceeds right Mesh 1 is the left The Y axis starts at the top of the axial mesh looking down and proceeds downward Mesh 1 is the top 55 RELAPS Plug in User s Manual Nodal Kinetics Kinetics Mesh Lengths Mesh intervalixis O W O Y a k Figure 3 65 Mesh Length Editor e Composition Zone Figure Editor Compositions Zones are assigned to Axial Meshes using this editor Axial mesh 1 corresponds to the lowest axial mesh interval A figure selection creating dialog is provided to help assign the figures to the Mesh Intervals The figure selection dialog Add button creates a
67. new zone composition figure and assigns it to a specified interval The Remove button removes the selected figure from the model To specify a figure select the desired component from the list and press the Ok button fone Figure Assignment Adal Mesh Zone Figure Select Zone Figure Song Figure m a i a i AAA a an e 4 ln 3 E E 3 E a an EG l EEO Figure 3 66 Composition Zone Figure Assignment Editor RELAPS Plug in User s Manual S6 Nodal Kinetics Zones Compositions Control Rods Editor The RELAPS plug in provides a Planar Top Down view editor for assignment of Zones Compositions and Control Rod Groups The following figures show each geometrical representation provided BEE 8 E REET _ NEU EE E EE EFEFEF F U EUUUT a ie a ix r TE EN am Mm HN E ig IH ot Figure 3 67 Planar Cartesian Editor To display or edit the nodal data for a figure select the figure from the Composition Figure Zone Figure drop down located at the top of the dialog Figure 3 68 Planar Hexagonal Full Core Editor The planar view editor provides the ability to edit individual or multiple nodes as desired Left clicking on a node will provide the Selected Node property to be displayed Left Clicking and dragging will provide the ability to select a contiguous region In order to define a selec
68. nts choose either the Selection or Lasso Select from the mouse behavior controls shown above The Lasso Select works by selecting a rectangular region of the view Any component wholly contained by the region will be selected The Selection works by toggling individual selection A component may be added or removed from the selected components by holding the control CTRL key down and left clicking Selected components are displayed in yellow Figure 7 3 3D View of Typpwr displays the a 3D view of Typpwr with several components selected 0 Figure 7 3 3D View of Typpwr a Pivot Components The Pivot button will opens a dialog allowing the user to select a junction and a flow direction The selected junction is the first junction in the rotation The rotation will be applied to the selected junction about the cell center opposite the selected flow direction Only components inside the selection will be modified by the pivot command Figure 7 4 Pivot Selected Components shows the junction selection and flow direction dialog Pivot Selection na Pivot Component PIPE 152 surge Pivoting Cell 14 of 3 Figure 7 4 Pivot Selected Components Once an junction and direction are selected the Next button displays the angle selection The slider allows the volumes to be pivoted 180 degrees clockwise or counterclockwise about the Z axis As the pivot angle is modified the selected volume
69. o add and remove timesteps and specify the specific timestep options using a tabular interface The composite Control Option value uses a pop up editor allows the specific control option flags to be selected from a list of check boxes This pop up editor also allows the specification of a user defined numeric to define the Control Option Edit Timestep Data set Timestep Controls Timestep End Minimum Maximum ime Plot Edit Restan f ae Time Step Step Option i Freq Freq User Defined Numeric 1000 10e 7 SF _ O Ex gt 200 0 AA YM gt Major Edit Controls J Omit Heat Data C Omit Junction Data C Omit Volume Data _ Omit Statistics Edit Frequency Major Edits Every Timestep _ Minor Edits Every Timestep Plot Records Every Timestep Timestep Controls Mass Errors Hydro Same As Heat Heat and Hydro Coupled C Nearly Implicit Advancement C Convergence Not Checked o Sil sof of o _ Automatic Time Advancement Figure 3 1 RELAP Plug in Timestep Editor RELAPS Plug in User s Manual 10 Hydraulic Components Noncondensible Gas Species The noncondensible mass fractions of the gaseous mixture found in a RELAPS model are defined in this section The total gas mass fractions should sum to 1 0 If no noncondesibles are specified it is assumed that Nitrogen is the available gas Specifying noncondensible gases will enable noncondensible mass fraction input for individual hydraulic co
70. of the control system to the input of the control block 3 3 3 Trips Trips are special control blocks that are used to indicate when an input value reaches a certain level or meets a specific criteria RELAPS5 provides two types of trips Variable and Logical These types differ only in the operation used to determine the true or false result Variable trips use a Relationship that can be equal not equal greater than greater than or equal less than or equal or less than Logical trips use an Operator that can be AND OR or XOR General Show Disabled Relationship LT Less Than a Additive Constant 1860 0002 psi 4 P Latch True False F Time Of s dp a Figure 3 47 Variable Trip Property View The RELAPS plug in supports two different trip numbering formats expanded and original The two different card series are available for entering trip data but only one type may be used in a problem The original numbering format card numbers 401 799 allow 199 variable trips and 199 logical trips The expanded format card numbers 20600010 20620000 allow 1000 variable trips and 1000 logical trips The RELAPS plugin provides the ability to change the trip numbering format if the number of trips does not exceed the format trip limit Trip numbers will be updated to accomodate the selected format s numbering scheme Er yal LAA sel p ee Ll4 EF Control Systems 436 9 amp Trips 104 Logical Trips 44
71. ollows e Partial Cylinder e Full Cylinder e Cartesian A Partial and Full cylindrical geometry Multi Dim component contains the same set of completion options The difference between the two types is that the Full cylinder geometry type requires an azimuthal angle of 360 degrees The following figure shows the completion dialog for a cylindrical geometry type Geometry Partial Cylinder Hegh 12192 m Multibim Outer Radius 3048 m Total Azimuthal Angle 190 0 deg Humber Of Axial Levels Humber of Fadltal Pings Number of Azirnuthal Sectors OR Cancel Figure 3 35 Multi Dim Cylindrical Completion Dialog The completion dialog for Cartesian geometry provides X and Y attributes as opposed to radial and azimuthal specification The completion dialog for a Multi Dim component with a Cartesian geometry is show below 35 RELAPS Plug in User s Manual Multi Dimensional Component Initialize Vessel Data Geometry AN P Height 12 192 mi Y Dimension Length 3 048 m K Dimension Length 3 048 mi Humber of Axial Levels 2 Humber X Dimension Cells ti Number Y Dimension Cells h Ok Ld Figure 3 36 Multi Dim Cartesian Completion Dialog Multi Dim Geometry Editor The Multi Dim component provides a unique 3 D geometry view with utilities to rotate translate and zoom Selecting a hydraulic cell from the table in the geometry dialog updates the 3 D view to the nodes selected The basic 3 D
72. onal component Once a connection has been established a connection completion dialog is provided The connection completion dialog provides options to determine the proper location to which to create the connection and is shown in Figure 3 44 Multi Dim Connection View RELAPS Plug in User s Manual 40 Feedwater Heater Define Vessel Junction Locathon Axial Level Radial Ring Azrimuthal Sector Face Figure 3 44 Multi Dim Connection View 3 2 20 Feedwater Heater The Feedwater Heater component is a specialized horizontally oriented branch component with two or three junctions The Heater is only available for RELAP3D models Editors for Feedwater geometry initial conditions etc properties resemble the Pipe component and are described in Section 3 2 5 Pipe The Feedwater Heater Property View is provided below w General Show Disabled Title feedhear Description nane gt Geometry Cells 1 Juns 3 Friction Data Initial Conditions Water Level Table lt Inactive gt Figure 3 45 Feedwater Heater Property View 3 3 Control Systems The control system of model is used to perform calculations and provide system inputs to allow feedback controls and user interaction to the model The control system consists of signal variables control blocks interactive variables and trips The signal variables serve as inputs from the model Control blocks provide a value based on manipul
73. operties five RELAPS z Show ASCII 12 6 Select Left Side to Compare m 1 2ft 10 Bf Reference Docs G Edit Heatstructures a Copy o Variables con Renodalize Figure 8 6 Pipe Split Menu Selection Heat structure components that connect to nodes on both the top and the bottom are also split The heat structure cells that connect to nodes on the new pipe component will be moved to a new heat structure The radial geometry and all other component level properties of the heatstructures will be the same The reactor kinetics feedback coefficients and heat structure signal variables are automatically updated to point to the correct component Figure 8 7 Pipe Split Results below displays the result of splitting a pipe in two 79 RELAP5 Plug in User s Manual Pipe Split JN owe x A Figure 8 7 Pipe Split Results RELAPS Plug in User s Manual 80 Chapter 9 Attribute Level Ownership Attribute level ownership data can be activated for a RELAP5 3D model by setting the Attribute Level Ownership property of Model Options to On Once activated attribute level ownership can be displayed in the Properties View by selecting the Show Owner checkbox in the General attribute group heading Note Because attribute level ownership must be activated for each model newly created or imported models have no ownership data Component Ownership Data is associated with each attribute of a component th
74. or the convenience of developers in testing model improvements or new models In the SNAP RELAPS plug in enabling or disabling certain developmental options will alter properties found elsewhere in the model i e In a Branch if the Henry Fauske critical flow model is active junction discharge coefficients are e entered as is opposed t to the default subcooled discharge coefficients 0 List Options 1 Viscous Stress 5 Undefined 6 Screen Output Freq 7 Output Reason e Input Units Provides the option of defining model units in either SI or British Modifying this option changes the units for all reals in a given RELAP5 model e HD Systems The list of hydraulic systems in the current model If a hydraulic system is created the analyst should be aware that any specified fluid types must have an associated property file accessible to the RELAP executable in order to be run Current versions of the RELAP5 executable require that command line options are provided which identify the location of all required fluid property files 9 RELAPS Plug in User s Manual Model Properties Hydrodynamic systems Show Disabled stem Nam PRIMARY E Reference Volume Timestep Data This is the data used to control the problem timestep information The Timestep editor for the information is shown in Figure 3 1 RELAP Plug in Timestep Editor The editor allows an analyst t
75. ould be exported using the changes currently flagged by using Section 5 2 Restart Decks e lt Mn gt An optional argument used to identify the model Valid model labels are M0 M9 e filename The file name which should include the full path to the file in quotes RELAP EXPORT METRICS SPEC filename This command exports the model specification file for the Test Suite Analyzer TSA to the specified file e filename The file name which should include the full path to the file in quotes 83 RELAPS Plug in User s Manual Note Metrics specification export is only available for RELAP5 3D models RELAP EXPORT METRICS lt Mn gt filename This command exports the plug in metrics data for the Test Suite Analyzer TSA to the specified file e lt Mn gt An optional argument used to identify the model Valid model labels are M0 M9 e filename The file name which should include the full path to the file in quotes Note Metrics export is only available for RELAP5 3D models RELAP CREATE_ VIEW lt Mn gt category name This command is used to create a new view containing all the components in the specified category Acceptable categories can be found as the names of category nodes in the Navigator The new view will be created in either the current model or the model designated by the Mn parameter e lt Mn gt An optional argument used to identify the model Valid model labels are M0 M9 e category name The name
76. processor plug in for RELAP5 1D component models may also be displayed in 3D however the initial component locations must be generated Note 3D model visualization is only available for RELAP5 3D models 7 1 3D Coordinate Generation The 3D coordinate generation tool allows initial 3D locations to be generated from the existing elevation data The coordinate generation tool may be accessed by right clicking on the model in the navigator and selecting the Generate 3D Coordinates option This tool requires the user to select a component for each hydraulic loop and an X Y offset for that component The geometry placer then loops through all the hydraulic components placing them adjacent to each other in a chain Figure 7 1 Coordinate Generation Dialog shows the coordinate generation dialog when opened with a standard Typpwr model Number Component Ee ft ft orse ty Tt Z le PIPE 100 Cell 1 Be arrose BF HT ECH HINI le PIPE27OCellll 23 199041 23 199041 0 0 Figure 7 1 Coordinate Generation Dialog Each component within a loop will be placed in 3D space using a breadth first walk through of component connections Components will be placed in a relatively flat plane with bends inserted only for tee side pipe connections vessel connections and parallel plenum connections This provides an initial 3D layout for the 1D components which can then be modified by shifting and pivoting components 7 2 3D Model Viewer
77. properties of a sample valve w General Show Disabled Inlet ES Junction from VALVE 298 to BRANCH 280 Outlet HE Junction from VALVE 298 to TMDPVOL 299 MP vewe owne Figure 3 28 Valve Property View 3 2 15 Pump The hydrodynamic model of a pump component consists of one volume and two associated junctions One junction is connected to the inlet and is called the suction junction the other junction is connected to the outlet and is called the discharge junction General Properties The pump uses the same editing dialogs as the pipe component for editing geometry initial conditions and friction data Refer to Section 3 2 5 Pipe for more detailed information on these dialogs 3 2 16 Compressor The Compressor is a RELAP3D 2 4 specific component and consists of one volume and at least one junction attached to the inlet suction end of the volume Optionally a junction can be RELAPS Plug in User s Manual 30 Multiple Junction attached to the outlet discharge end of the volume The Compressor Completion Dialog is identical to the Turbine completion dialog shown in Figure 3 25 Turbine Completion Dialog The Compressor component allows a Shaft connection and Trip Disconnect controller much like the Turbine and uses the same Shaft selection editor as shown in Figure 3 26 Turbine Shaft Selection The Compressor Property View is shown below General Show Disabled Component Number Descri
78. ption Position Control Geometry Cells 1 Juns 2 Friction Data Valid values Initial Conditions Invalid Cell Conditions Compressor Inertia True m False Use Shaft True False Use Stop Controls 2 True False Relative Motor Torque True False Use Time Rotation Vel True False Relative Velocity Data Valid values CCLO301 Compressor Index and Option P CCC0302 4 Compressor Description Figure 3 29 Compressor Property View 3 2 17 Multiple Junction The one or more junctions specified by this component may be used to connect volumes in the same manner as several Single Junction components except that all the volumes connected by the junctions in the component must be in the same hydrodynamic system Multiple Junction Properties The multiple junction component uses the same editing dialogs as the pipe component for editing the geometry initial conditions and friction data of its junctions Refer to Section 3 2 5 Pipe for more detailed information on these dialogs Additionally the Multi Junction component provides editing dialog to construct its hydraulic connections shown in Figure 3 30 Multi Junction Connection Editor 31 RELAPS Plug in User s Manual Multiple Junction rit ST ii Um thor Su chona T PIPE 20 000 401 lott eneee y cu a aces ANI US 10 ome 1011 cneifio 2 edel faci lott Goriya 7 let fare TARHLULUS 17 ddeiny 1 Ji aft TL 7 ufel Maced AMMULUG 13 dingh i of
79. r ned Henum Loop Check Selection Figure 8 1 ID Hydraulic Pop up Menu The Renodalize option opens the Renodalization dialog This dialog contains a 2D view of the component at the top and a table of either axial node lengths Nodes or total elevation Elevation at the bottom Figure 8 2 1D Hydraulic Renodalization Dialog displays the 1D renodalization dialog for the pipe shown in Figure 8 1 1D Hydraulic Pop up Menu This dialog allows the component to be renodalized by splitting and merging selected cells Cells can be selected either in the top or bottom of the dialog and split or merged by using Split Split Uniform and Merge buttons The top and bottom of the dialog will update to display the results of each operation 73 RELAPS Plug in User s Manual Split Splits and merges can be undone and redone using the forward and back buttons provided No changes will be applied to the component until OK button is pressed Slit Lido Announce Changes Span Original DZ Current DS Component Wide 1312336 13 12335 0 0 Elevation Nodes Elevation Figure 8 2 ID Hydraulic Renodalization Dialog 8 1 1 Split The Split button is enabled when one or more cells are selected This button opens the Split Cells Dialog shown in Figure 8 3 Split Cell Dialog This dialog allows the user to specify how new cells will be created from each of the selected cells The Split Cells Dialog contains a table of the new cells
80. rossflovw J crossflow F crossflow 2 crossflow 2 crossflow 2 intet oo o TPIPE 34 id B PIPE 21 d PIPE 22 dc Figure 3 31 Multi Junction From To Cell Editor The Multi Junction Connection Editor also provides the ability to zipper connect two distinct hydraulic components Pressing the Set button at the bottom right hand corner of the editor opens a utility dialog which can create multiple connections between two components using a specified increment and or starting offset Notice in Figure 3 32 Multi Junction Utility Connection RELAP5 Plug in User s Manual 32 Multiple Junction Editor the utility editor allows the specification of two hydraulic components Once a hydraulic component is specified the Starting Cell and Ending Cell spinners constrain the cell selection based on the number of hydraulic cells available in the specified component To the right of the Starting and Ending Cell spinners is the max number of cells available to the specified component The Increment option provides the ability to choose a series of cells which are in succession based on the increment selected i e In the figure below if the increment were 2 the connected cells would be 1 3 5 The Inlet Face option decides which hydraulic cell face connections will be made 1 e In order to make cross flow connections between components the Inlet Face should be set to appropriate crosss flow faces Specify
81. s Manual Nodal Kinetics Edit Composition XS Data Composition 1 A Composition 2 Composition 3 Composition Composition Composition cn NM LU Comp osition 1 6 a a a scattering Figure 3 71 Cross Section Editor RELAPS Plug in User s Manual 60 Chapter 4 Editing a Restart Case RELAPS supports restarting finished calculations through the use of a restart deck A restart deck contains a subset of the data in the original input deck This includes the user defined units and user defined materials In addition to these properties that must be resupplied the restart deck includes a fully re supplied component entry for any component that has been modified New components may be added and existing components may be removed from the model using a restart deck ty ppwr med typical pwr model 4 inch co Model Options Reactor Kinetics gt T Hydraulic Components 109 o Control Systems 441 o E Heat Structures 17 o lll Materials 5 Radiation Enclosures 0 Ii CCFL Models 0 5 Cases 215 PRS Reno N ew PR5 Short Add To Sub System gt y Sub Syste w General Delete Show Disabled Figure 4 1 Creating a Restart Case Restart decks are represented in the ModelEditor by Restart Cases Restart cases can be created by right clicking on the Cases node in the Navigator and selecting the New pop up menu item as shown below
82. s will update in the view This allows the user to see the changes as they re being made The change isn t permanent until the Apply 69 RELAPS Plug in User s Manual 3D View Preferences button or the Finish button are selected Figure 7 5 Pivoted Components shows the results of pivoting the selected components 90 degrees about the Z axis Pivot Selection O Select Pivot Angle 58 0 9808870685804838 28100 102030405060 708090 Apply Figure 7 5 Pivoted Components Shift Components The Shift dialog allows selected components to be translated along the X Y axis The dialog contains a pair of sliders one for the X axis the other for the Y axis Like the shift dialog the changes will be displayed while the sliders are moved about The actual locations won t be modified until either Apply or OK button is pressed Figure 7 6 Shift Selected Components shows shifting one of the steam generator loops of Typpwr along the X and Y Axises da Ea i amp gt d 1 i T E E y l T Shift Selected Components xais AO _ 35 761155 en E vais O ow Figure 7 6 Shift Selected Components 7 2 3 3D View Preferences The properties of a 3D view can be modified through the view settings dialog This dialog can be opened by pressing the Properties button This provides the interface for modifying the 3D view Figure 7 7 3D View Preferences shows the 3D
83. sets All other hydraulic components describe initial conditions on a per volume basis Aele Data TMDPVOL 193 charge2 Table Entry Search Pressure Temp Number Variable asi F IO A 100 0 T Flag Input E Flag Input N Flag Input Table Data Input Type 3 v _ Include Boron _ Define Noncondens ibles TOY Fluid TOY Noncondensibles Figure 3 3 TDV Cell Initial Conditions The Time Dependent Volume initial conditions table 1s edited using the TDV Initial Conditions dialog shown in Figure 3 3 TDV Cell Initial Conditions The T Flag Input combo box is used to determine which properties will be specified in the table at the top of the dialog The B Flag check box will provide a column to edit initial fluid Boron Concentrations for each of the table entries In order to enable the N Flag property the T Flag must be set to an appropriate value and at least 1 Model Options noncondensible property must be enabled Rows can be added and removed using the buttons provided at the bottom right of the editor RELAPS Plug in User s Manual 12 Single Junction w General Show Disabled Figure 3 4 Time Dependent Volume Properties 3 2 3 single Junction A Single Junction component is simply one system junction It is used to connect other components such as two pipes The Single Junction uses the same editing dialogs as the pipe component for editing geometry initial conditions and friction data Refer to Section 3 2 5
84. t is used to define nearly all logical values Values specified in the generic editors immediatly update the ASCII view and add an undo entry to the undo stack RELAPS Plug in User s Manual 6 RELAPS Model Editing B True False T Figure 2 5 Generic Logical Editor Custom editors are provided for editing more complex RELAPS properties Many of the custom editors provided are tabular Tabular editors allow multi row editing custom table cell editors and column header tooltips which describe the data in each column E Call Volume Length AR n gt t 290 88259 ene 33097 a rere EET 29088259 COPY sw Paste EA 290 O o 29088559 _ _ Y Crossflow Z Crossflow Figure 2 6 Custom Tabular Editor Tabular based RELAPS editors provide a pop up menu containing a series of options which facilitate editing of attributes These options are listed below Copy The copy command copies data from either a spreadsheet or another tabular based editor Paste The paste command pastes copied data to either a spreadsheet or another tabular editor e Plot The plot command provides a listing of available plot variables from the current tabular data One independent and one or more dependent variables can be selected for plotting Data is plotted using the APTPlot pug in 7 RELAPS Plug in User s Manual RELAPS Model Editing Select Plotted Columns Oo xi
85. table that displays the Original DZ the Current DZ and the Difference between the two This table is used to determine if the elevation change of a component has been affected by the current renodalization Renodalization can drastically change the absolute elevation change across a component Announce Changes Activating the Announce Changes option will provide additional information about the renodalization process when the OK button is pressed Any component that is affected by the 75 RELAPS Plug in User s Manual Renodalization Results resulting renodalization will display a message to the Message Window These messages allow the user to track which components have been changed 8 1 6 Renodalization Results When the OK button is pressed the hydraulic component is modified to match the nodalization specified in the dialog Any component changed through a renodalization is considered modified for the purposes of inclusion in restart models Signal variables hydraulic connections and heatstructures are all updated when a hydraulic component is renodalized Volume and Junction signal variables may refer to one or more cells or junctions within a hydraulic component When the component s nodalization is adjusted the signal variables that refer to that component must be updated Volume signal variables adjust the axial node they connect to by finding the closest cell center to their original connection point Junction signal variables a
86. tage 2 or Stage 3 Separator RELAPS Plug in User s Manual 26 Jet Mixer Y General Show Disabled Component Name Component Number Description Separator Model 3 GE three stage Separator GE Stage 1 Valid values Initial Conditions VOVER O El VUNDER CCCOS500 GE Separator Data e CCCO600 GE Dryer Data Figure 3 23 Separator Properties 3 2 11 Jet Mixer A jet mixer JETMIXER component is a specialized branch component with 3 junctions drive 1 suction 2 and discharge 3 A jet pump is modeled in RELAP5 using the jet mixer component In a jet pump the pumping action is caused by the momentum mixing of the high speed drive line flow with the slower suction line flow The input for a jet mixer component is the same as that fora BRANCH component with the following modifications 1 For a BRANCH component the junctions connected to that branch can be input with the branch or as separate components For a Jet mixer three and only three junctions representing the drive suction and discharge must be input with the Jet mixer component 1 e NJ 3 If NJ is not equal to 3 an input error message is printed The three junction card seguences must be numbered as follows Cards CCC1101 and CCC1201 represent the drive junction Cards CCC2101 and CCC2201 represent the suction Junction Cards CCC3101 and CCC3201 represent the discharge junction in the mixing section The drive and suction
87. ted region open the node selection editor at the bottom right hand corner of the editor while nodes are selected This will provide an editor which is identical to that displayed in Figure 3 66 Composition Zone Figure Assignment Editor Initial Power Fraction Editor This editor defines the Initial guess for the prompt fission power distribution for each kinetics node The layout of the data is a left to right top to bottom where x index 1 y index 1 is the top left corner of the figure Defining the initial power distributions is optional per level If defining the initial power distributions is desired the Initialize Values check box should be selected The Axial Mesh Interval property will change the current table display to that of the selected axial level 37 RELAPS Plug in User s Manual Nodal Kinetics Specily Initial Power Fraction Initialize Values Y Ais WAR KAJ W Agis W Agis A _ ndsx Fidar 1 Frid ge 2 ridar 3 ridar 4 iri gy 5 iri gr 6 1 o o owy EC y E O E a s i i 1 0 1 0 1 0 1 0 i 0 1 1 a n n Figure 3 69 Initial Power Fraction Editor e Volume Heat Region Feedback Editor Region Feedback data is defined with this editor The upper table provides a count of data entries defined for the specified zone Selecting on a row in the upper table will update the lower table to display the appropriate data and enable Adding Removing data from the lower table The Feed
88. the inlet junction or inlet cross flow faces Once a connection is created from the 2 D view the Surgline Junction property editor can be used to specify that connection as being the Surge line Junction Refer to Figure 3 18 Pressurizer Surge line Connection 23 RELAPS Plug in User s Manual CANDU Channel er Show Disabled Component Name _ surgeLine Junction t lt none gt Liquid Heat Transfer fe select from Hydraulic Connections ey Vapor Heat Transfer Available Hydraulic Connections Spray Drop Diameter Geometry Junction from TMDPJUN 517 to PRIZER 516 Friction Data Initial Conditions Figure 3 18 Pressurizer Surge line Connection Note The Surge line Junction editor will only display those connections which are made to the inlet volume of the Pressurizer The remaining Pressurizer properties are shown in Section 3 2 Hydraulic Components below e Liquid Heat Transfer Vapor Heat Transfer Spray Drop Diameter Geometry Cells 2 Juns 1 Friction Data Valid values Initial Conditions Invalid Cell Conditions Figure 3 19 Pressurizer Property View 3 2 8 CANDU Channel A CANCHAN is a RELAP5 specific component type used to model CANDU horizontal pressure tubes Not available in RELAP3D The CANCHAN component input is identical to a horizontal pipe component Refer to Section 3 2 5 Pipe for more detailed information RELAPS Plug in User s Manual 24
89. view is displayed below uw TA a i rm Figure 3 37 Multi Dim Geometry Editor By default the geometry editor displays cell thicknesses Actual positions can be displayed and edited by selecting the Display Actual Positions check box below the axis selection editor The geometry editor provides a cell highlighting feature which identifies the range of data currently selected in the table The Select Axis drop down box provides alternate selection modes The figures below demonstrate the different selection modes available RELAPS Plug in User s Manual 36 Multi Dimensional Component ID Vessel if FM EF Fn WW OH ELF a n ry n a z en Wut m LA Pol Bed Bed End j Ie Ik m ih e iE AAA Ls lod eed ed ed m de Eg Bg Bod Bed hr Bad Bad Bed Mud Is nd nd Ped Ll Em P gob beg bel i qm i ld mui le ag ch i me oe r A p Bd bd papa Hn at SiO OO ooo ooo oo oo a wen 1 O 3110 Figure 3 39 Radial Selection Mode 37 RELAPS Plug in User s Manual Multi Dimensional Component Figure 3 40 Azimuthal Selection Mode The Multi Dim geometry editor contains a tab labeled Connections Selecting the Connections tab provides a connections view for the current Multi Dim component The upper table provides a view of all external component connected to the Multi Dim component and how many connections to each of t
90. view settings dialog RELAPS Plug in User s Manual 70 3D View Preferences a 3D View Settings O Show Arrows Background Color 255 295 295 Use Wireframe Zoom Factor 0 1 Show Axis Lines Rotation Factor 10 0 _ Center On Highlighted Pan Factor 2 5 Rotation Point Origin w Shading Type Nicest Lighting Attenuation Constant 1 0 Linear Quadratic 3 Cell Scale _ e Figure 7 7 3D View Preferences The Show Arrows option toggles the display of internal hydraulic junctions and external hydraulic connections which are shown as arrows The Use Wire frame option toggles rendering the volumes as wire frames instead of full volumes The Show Axis Lines option toggles rendering the axis lines which meet at the coordinates 0 0 0 0 0 0 When Center On Highlighted is selected the view will center on a component when it is selected The Zoom Factor Rotation Factor and Pan Factor are scaling factors to speed up or slow down manipulating the view using the view transformation buttons The Rotation Point option allows the user to specify rotating about the origin or the center of the selected components The Shading Type is an optimization option that may help slow machines render 3D models The preferred value is Nicest The Lighting Attenuation options allow the user to customize the properties of the light inside the viewer

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