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1. Unique Name Cooling Tower Sump Status On Elevation 0 5 Elevation Unit m Pressure 1 Ds Pressure Unit atm Temperature 25 Temperature Unit Fluid water Fluid Type Newtonian NN NonSettling Properties on Flowsheet Hide In the known pressure outlet boundary 5 we need to set the pressure to 1 atm 30000 Pascals needed to overcome losses in the cooling tower flow distributor We can leave the temperature and fluid at the default entries since the flow will be out at this boundary and therefore the temperature flow and fluid will be determined by the calculation Messages z Input Results Chart List i Watch f Unique Name Cooling Tower Feed Status On Elevation 6 Elevation Unit m Pressure 1 3 Pressure Unit atm Temperature 15 Tem perature Unit C Fluid water Fluid Type Newtonian NN NonSettling Properties on Flowsheet Hide At the auto pump 5 we need to enter the desired flow of 14 92 kg s The orientation of the pump should be set so that the red dot which represents the pump discharge points to pipe 2 If you need to change this click on the Orientation row in the input editor V ELE Ss AIT Ti m 7 3 7 3 Gm Sra Messages Input Results Chart List Watch Unique Name Status On Elevation 0 Elevation Unit m Selection Criteria Size for Flow Design Flow 14 92 Flow Unit kg s Orient
2. Piping Systems FluidFlow Quick Start Owned and Copyright by Flite Software NI Ltd Quick Start Guide Table of Contents Part O ON Oo C FP c N Lo b bo O 01 WA N O Foreword 0 Piping Systems FluidFlow 1 WV CICOIMG toca ois Em 1 lhtrcriurg e X M MM 1 Je RIOT IUSTI OLI LT 1 Keeping your Softwate Current eoe os onca cias onn esas a AAA ENAN RAUS ES M EU EE 5 NGIWONK ISSUES curiosis ra aa a a E 6 Starting the Application Network Module eeseeeeeee eren enne nnn 9 Changing User Access Information Network Module 11 APDICANON LAVOURA 13 Design of a cooling water system sssssssssnsunsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn 14 Design of a Tank Farm Gas Collection System eeeeseeeee eene 27 Design of a Cooling Water System Part 2 eseeeeeeeeeeee eene nennen nennen 29 Configuration and Environment iiss a a eene nenne nenne nnne nnne nnn nena 32 Wala DaSe S csi c a a E pesca 33 uil l ot gDcprlerk qemm a EE 33 Database of Manually Operated Valves cccccceeeeeeeeeeeeeeeeneeeeeeeseeaeeseesnsneeeeeoesnsaeeeoeees 35 Add a New PUmp ectscccscscccseaceustsncssactzotesencce sesiaxernssataecenaseeaswnaertneaeeeseareresensspemeseneensecnacte 38 Index 40 Flite Software NI Ltd Piping Systems FluidFlow 1 Piping Systems
3. www fluidflowinfo com or click Register via Internet below click on Login select Generate Activation Code from Your Details enter your Product Id 95s and copy the result into the area provided on the Activate page Register via Internet 2 Ring Flite on Intl 44 2871 279227 You will need to quote your Product Id 8DFC D803 specify a Registration Name and the Modules you require 3 E mail sales fluidflowinto com You will need to include your Product Id 8DFC D803 a Registration Name and the Modules you require a Note If you use a web based e mail client or experience trouble with the Register via E mail button please copy the following text be sure to specify the required Modules and Registration Name and e mail it to sales fluidflowinfo com I would like to register FluidFlow and recetve an Activation Code Product ID 9DFC D803 Registration Name Enter Registration Name Here Required Modules Enter Required Modules Here Available Modules Liquid Calculation Gas Calculation NonNewtonian and Slurry Calculation Scripting and Two Phase Calculation Copy to Clipboard The software generates a Product Id 9DFC D803 in the example above directly from your computer Simply email this Product Id together with the calculation modules you need or have purchased to support fluidflowinfo com and an activation code and registration name will be provided usually by return On receipt o
4. Heat Transfer Unit W att Properties on Flowsheet Show Alignment Top Font Verdana clWindowText Properties 45 ls and the results will be shown on the flowsheet If you wish to cross check your calculation at this stage you can load up the file Examples Cooling Water Distribution Second Design Iteration Pipe Sizing Before we balance the network we need to set the pipe sizes In FluidFlow each time the pressure loss through a pipe is calculated its economic velocity and hence the economic pipe size are also 2013 Flite Software NI Ltd 24 Quick Start Guide calculated By default these values are shown in the results table Select the Results Tab in the data palette and click on the branch pipes in the flowsheet As we move from each branch pipe we can see that the Exact Economic Size row in the results table will be around 50mm This means that we should use the nearest standard pipe size 50mm 2 pipe in the branches Since the default pipe size is 2 unless this has been changed or you are using a different environment which means we do not need do make any size changes to the branch pipes Use multi select in the flowsheet to select all the branch pipes and change the size if you need to do this Data Palette ur Messages Input Results Chart List Watch User Number 14 Flow 14 9200 kg s Total Pressure Loss 54717 Pa Loss Correlation Darcy Economic Velocity 2 21 m s Exact
5. 2 Scripting or Two Phase Gas Liquid require that you also select either a Liquid or Gas License Select your username from the list and enter the password given to you by the system administrator Select from the available licenses the calculation functionality you will need In the above below we have selected liquid gas and Two Phase calculations Press the OK button and the application will start up proper In the below example the user Administrator will be using 3 modules from a total pool of 5 2013 Flite Software NI Ltd o Quick Start Guide Username Password Spp Select the modules you require Module Available Licenses Total Liquid Calculation Gas Calculation Non Mewtonian amp Slurry Calculation Scripting Two Phase Gas Liguid Calculation Note 1 Mon Newtonian amp Slurry requires that you also select a Liquid License Note 2 Scripting or Two Phase Gas Liquid require that you also select either a Liquid or Gas License The next user to log on will see the following Logon dialog FluidFlow Metwork Logon v3 22 5 Username Password tkt Select the modules you require Module Available Licenses Total Liquid Calculation 3 Gas Calculatian 3 Non Newtonian amp Slurry Calculation T 2 Scripting 2 Two Phase Gas Liquid Calculation 2 Note 1 Non Newtonian amp Slurry requires that you also select a Liquid License Note 2 Scripting or Two Phase Gas Liqu
6. FluidFlow 1 1 Welcome Welcome to Piping Systems FluidFlow a state of the art fluid flow simulator This software application allows you to simulate the flow of fluids in complex networks taking into account the phase state of the fluid and determining heat changes FluidFlow is more than a pipe network analysis program it is a fully developed steady state process flow simulator System Requirements 1024 MB RAM 2048 MB recommended Microsoft Windows Server 2008 2003 Windows 7 Windows 8 Vista or XP 80MB of free hard disk space SVGA or higher resolution monitor XGA recommended Mouse or other pointing device 1 2 Installation FluidFlow is supplied as a single compressed installation file FF3SETUP EXE This file is available via a download from our website www fluidflowinfo com preferred method This is a common installation file for all possible modules Simply run the file FF3SETUP EXE and the installer will start and take you through the setup process You can also use the setup program to install updates into your installation folder only executable help files etc are updated databases and your project files are not overwritten It is possible to install remotely if you are a network administrator The installation does not require any registry entries and for users not wishing to use an installer for example in locked environments there is a zipped version of the application and associated folders This product has
7. Restore Data Configure Users s Select the Configure Users menu option to obtain the dialog from which all adjustments can be made 2013 Flite Software NI Ltd 12 Quick Start Guide Network Users User Name Password Connected Administrator PSFF Yes Fiachra Bonner Solid Phase Michael Rass Friction Factor From this dialog you can add or delete users change passwords or just view the current connections It is not possible to delete the Administrator lt 2013 gt Flite Software NI Ltd Piping Systems FluidFlow E 1 8 Application Layout The application work screen consists of two main windows The flowsheet window where a schematic layout of the piping network is developed or built and the data palette where data input is made results and warnings are shown etc You can have as many flowsheets open as desired From a flowsheet viewpoint the application behaves similar to Microsoft Word s Multiple Document Interface that is you can tile cascade and select a flowsheet from the window menu or by clicking on the caption bar of the window If you double click the caption bar the flowsheet fills the available work area The data palette size can be adjusted by dragging the left side of the window border The data palette is synchronized to the flowsheet so if you click on a flowsheet element the data palette is refreshed to reflect the current selections s This process also works
8. access rights to the FluidFlow folder We would suggest that users are given full access to the folder that FluidFlow is installed in e g Flite FluidFlow3 and that this access is propagated through the sub folders However if you wish to restrict full access FluidFlow requires read access to all folders and additionally write access to the following folders Flite FluidFlow3 Flite FluidFlow3 Data and all sub folders Flite FluidFlow3 Preferences and all sub folders Note In Windows XP it is not enough to just change the properties of the folder s you must also check the Allow network users to change my files checkbox in the Network Sharing and Security Properties for the folder Note This can be accessed in Windows Explorer via the Properties context menu item then the Sharing tab Overriding the location of the Read Write Folders With some network installations Administrators prefer to have control over which folders client users have read write access to To cater for this FluidFlow provides PSFF INI which allows the Administrator to specify the default location for Data Preferences and the Network Access files Note FluidFlow does not create this INI file itself it is the responsibility of the Network Administrator to create PSFF INI and place it in the same folder as PSFF EXE If you wish to use a psff ini file follow the explanations below PSFF INI Options i Data UseCommonAppDataFolder 0
9. and activate the software If a successful activation occurs the following message appears 2013 Flite Software NI Ltd Piping Systems FluidFlow 3 luidFlows3 License Iv Activate l Your copy of FluidFlaw3 has now been activated Deactivate ris If you wish to add more modules please see the Contact Us Export License page Password Import License Contact Us Please ensure that you have full rights nina or P TUNES Modules Licenses Tf running within a virtual environment Liquid Calculation e g AVAST SandBox you will be unable Gas Calculation to activate FluidFlow3 Non Mewtonian amp Slurry Calculation Scripting Tf there are any issues activating Two Phase Gas Liquid Calculation FluidFlow3 please see the Contact Us page Single User Version Proxy Settings Activate FluidFlow3 All of the alternative activation methods that were available prior to V3 3 are still available and these are described below You can use the Help Activate FluidFlow menu option which will display the dialog below Click on the How to Register tab and select one of the available registration methods 2013 Flite Software NI Ltd 4 Quick Start Guide Actuate Fud Eu eee 7 mum Activate ira nsfer License How To Register There are three ways to register FluidFlow and receive an Activation Code 1 When you receive a Username and Password go to http
10. been fully tested and can also be installed to run under Citrix or Terminal Services If you intend to run many concurrent users across remote locations outside of a LAN i e a WAN across country borders you need to purchase a global licence Once installed the software reverts to demo mode until it is activated So the first thing you need to do after installation is to Activate the software There is a simple activation process for both installed and unzipped installations In order to activate and run the software you MUST have read write access to the folder where FluidFlow is installed You cannot activate over a LAN or WAN without using terminal services remote desktop citrix etc since for activation the application MUST be running in the server process workspace For more information about the activation process see the activation chapter 1 3 Activation Activation is the process of configuring access to the available FluidFlow modules After a new installation there are no active modules From FluidFlow V3 3 the product activation can be carried out automatically When FluidFlow is started for the first time the following dialog appears aon HN m munem This i5 an evaluation copy of FluidFlow3 For that reason not all functionality or Components are available for use Do you wish to activate FluidFlow3 now Requires your www fluidflowinfo com Username and Password available by contacting Flite see Help About menu it
11. elle P P P P P P P A A P P n N e H e H e e N N Y v v Y v Y Y Yv v v Y Viscosity C op Cere J ee Here we have made the following changes from the original copy we are displaying flow in l min instead of kg s and we are displaying both pressure and pressure drop in bar a and bar The number of decimal places shown has also been increased to reflect this change Load up an example such as QA Incompressible Flow Boosters 4 Pumps in Parallel 3 Operating which has text on the flowsheet Move to the Results tab on the data palette and then change environment set You will see that the flowsheet results and the table results update immediately to show the new conditions 1 13 Databases A powerful feature of FluidFlow are the many associated databases that support and enhance the application These include a database of fluid properties databases that describe the performance and limits of fluid equipment items materials databases that hold pipe sizing and pipe insulation information and a database of manufacturers costs and user defined areas of application 1 44 Fluids Database The fluids database contains comprehensive thermo physical data for over 850 fluids Thermo physical properties density viscosity thermal conductivity specific heat physical constants and critical values heat of vaporization vapor pressure and surface tension are stored so that FluidFlow can complete pressure loss calculations i
12. in reverse for example if you click an element warning in the data palette or a list item the flowsheet selection updates to reflect this P FluidFlow v3 20 1 ls Window Hel TE 100 Fine Z i B System International gt 29 l Pipes l Boundaries junctions Boosters Valves Controllers Check Valves General Resistances Size Change Relief Devices Heat Exchangers Auto J4 455f4Fs P 59 JP PB Messages Input Results Chart List Watch 5 C AL QA Incompressible Flow Generic Components XGeneric Some FF3 Some additional Generic Components Flow through a strainer filter This kind of wire mesh filter is F a Mire f typically used prior to a ea Ratio 0 3 Tota ssure Loss 82194 1 Pa pume cus l 1 Flow through a packed s Ignore Heat Loss Gain o o oE b d s i Pr lowsheet Show Al er Bottom Total Pressure Loss 59733 4 Pa A i i X j y Fo Verdana 7 clWindowText S AC Flow through a Cyclone Total Plinii A 1600 1 Pa Flow through a Lyre bend Total Pressure Loss 33031 6 Pa Flow through a rotameter wie H c Modelled as a USER DEFINED type Total Pressure Loss 1000 0 Pa Flow through a Zorc heating cooling coil Total Pressure Loss 40175 5 Pa At the top of the work screen are three rows of operators 1 a set of drop down menus 2 a toolbar 3 the component palette The co
13. the risk of using the pump in a system that is difficult to solve converge Now that we have added the data save by pressing the OK button and use the pump in the following simple flowsheet Check that the flow and head of the pump used in the system lies on the curve that you have previously entered 2013 Flite Software NI Ltd 40 Quick Start Guide Index A Activation 1 activation code 1 Add a new pump 38 Add a new Valve 35 Adding new Data 35 Administrator 11 B balance the network 14 Balancing 14 boundary 14 building the model 14 kits calculate button 14 component palette 13 Configuration 32 It data entry 14 data input 13 data palette 13 27 Database 35 Databases 33 default administrator password 11 default data 14 oe economic pipe size 14 economic velocity 14 Envronment 14 32 environment sets 32 BE T flow balancing 14 Flowsheet 14 fluids database 33 E gas collection 2 7 H heat exchanger 14 Help 6 How to enter data 14 How to interpret results 14 How to make changes 14 Inlet Boundary 14 Installation 1 6 K Keeping current 5 known flow boundary 14 known pressure outlet boundary 14 model building basics 14 modules 1 multiple element selections 14 N Network 6 network module 9 0 orifice plates 14 Outlet Boundary 14 P physical properties 33 physical property prediction methods 33 2013 Flite S
14. 2 Summarizing you should have learned the following skills How to select components from the component palette and how to place and move them on the flowsheet How to connect pipes between nodes How the Input Inspector works How to make data changes to the flowsheet elements both individually and as a selected group How to show result text on the flowsheet How to interpret the calculated results to select or optimise a pipe size How to balance a fluid network using orifice plates 2013 Flite Software NI Ltd Piping Systems FluidFlow 1 10 Design ofa Tank Farm Gas Collection System In this example we are not concerned with building the model and data entry Instead we focus on the engineering Problem Statement It is desired to collect together the air vents from a group of 5 storage tanks holding a flammable obnoxious liquid The vent gas is to be treated in an activated carbon bed before finally passing to atmosphere In this problem we are only concerned with the situation that occurs as the tanks are filling In our scenario each tank vents gas for simplicity considered to be air at the rate of which it can be filled The exit gas vent from each yank is modeled as a known flow element with the maximum tank fill rates already entered The remainder of the collection network has been built and can be opened from the NExamples folder Non Sized Gas Collection System Open the example and consider how we
15. DataFolder Preferences UseLocalAppDataPreferencesFolder 0 PreferencesFolder Network Access UseCommonAppDataNetworkAccessFolder 0 NetworkAccessFolder Data If UseCommonAppDataFolder 1 then FluidFlow will use the C Document and Settings All lt 2013 gt Flite Software NI Ltd Piping Systems FluidFlow UsersMApplication Data FluidFlow3 Data folder Otherwise FluidFlow will use the value of the DataFolder entry If this is blank or PSFF INI does not exist then FluidFlow will use FluidFlow3 Data NOTE If DataFolder is specified then this folder MUST exist Preferences If UseLocalAppDataPreferencesFolder 1 then FluidFlow will use the C Document and Settings Username Local Settings Application Data FluidFlow3 Preferences folder Otherwise FluidFlow will use the value of the PreferencesFolder entry Username If this is blank or PSFF INI does not exist then FluidFlow will use FluidFlow3 Preferences Username Username is the windows log on name of the user Network Access If UseCommonAppDataNetworkAccessFolder 1 then FluidFlow will use the C Document and Settings All Users Application Data FluidFlow3 folder Otherwise FluidFlow will use the value of the NetworkAccessFolder entry If this is blank or PSFF INI does not exist then FluidFlow will use NFluidFlow3 NOTE If NetworkAccessFolder is specified then this folder MUST exist Network Activation Although FluidFlow can be installed across
16. Economic Size lag 92 7 mm Size E 52 5 mm In Stagnation Pressure 507035 5 Paa In Static Pressure 483218 1 Pa a In Velocity 6 91 In Temperature 25 00 lt Economic pipe size Click on the supply or return header pipework and we can see that the size needed ranges from 93mm to 50mm There is a case for reducing the header size after each take off This will may reduce costs since we can utilise reducing Tee s We will use the economic size suggestions to change the pipe sizes in the following manner Set the pipe size in the supply header to the first branch 9 and in the return header from the last branch 12 to be 4 Pipes 2 14 21 and 9 Set the pipe in each header between the first and second branches to be 3 We do not need to make adjustments to the rest of the header as it is already at size 2 Recalculate and save your work at this point You may wish to load up the example Examples Cooling Water Distribution Third Design Iteration which can be found in the Examples folder so that you can check that your results are similar FluidFlow calculates correctly for reducing Tees provided that you are using Idelchik Miller or SAE types this is the default The tee s at nodes 8 and 11 have connecting pipe sizes 4 3 and 2 and pressure conversion effects from velocity to static or vice versa are taken into account when calculating pressure losses at the tee Click on the tee select the Input Tab and click the Nome
17. NS nq 0A0306A5365AAFD7A3F28D3FA20BFBSCT7BE5682AB8571C880EBF57 FD384AB966A91D7A987EE0338F7EDFBF57FD384AB966A922ADEASS EF25E4187DBF57FD384AB966A9A3BFF345BOBADCEACBAFGA2F9111 094829563E472CE22F9180EFAF6A2F911109482940AF7E349247A69F 8BF57FD384AB966A932CCEDCABF38D8FF4AF642F9111094829DBA FB3D1623F8BSBFAF6A2F9111094829256BDC8D142CD1ED6AF6A2F9 1110948291 8FF732900F4D7F42AF6A2F91110948291 Lo Activate FluidFlow N Press the Activate FluidFlow button and the Registration Id will now contain a code instead of Evaluation Version and the modules that you have purchased will become available Once activated you should quit the application and restart This step is important for correct activation If you are activating a network version then you should also read the network activation and setup section for additional information 1 4 Keeping your Software Current Flite Software has a commitment to constant improvement of the FluidFlow product In addition we provide an undertaking to attempt to fix bugs and annoyances in a timely manner This commitment means that the FluidFlow product is constantly improving and so it is in your interest to stay current by using the latest release From Version 3 we have adopted the following numbering convention for product versions e All minor bug fixes for a given version will be implemented via new builds of the same version This is in contrast to the old system used for V2 product which alw
18. a network it must be activated from the installation on the server machine This means you must be either physically at the server or accessing the server remotely via terminal services citrix etc You cannot activate the server via normal LAN access When contacting Flite for an Activation Code please state how many users the network license is for To contact Flite and receive your Activation Code Ring Flite on Int 44 2871 279227 You will need to quote your Product Id specify a Registration Name and the Modules you require E mail salest fluidflowinfo com You will need to include your Product Id a Registration Name and the Modules you require When you enter the Activation Code you will need to restart FluidFlow for it to take effect Client Setup After installing and activating FluidFlow on the network server you can set up the client machine by placing a link on the client s desktop to FluidFlow To do this assuming that FluidFlow3 is the name of the shared folder 1 Right click on the desktop and select the New Shortcut menu item 2 Type the location of the PSFF EXE file e g Server FluidFlow3 PSFF exe and click Next 3 Enter the title for the shortcut e g FluidFlow3 Network and click Finish Note If you do place a link on the desktop to FluidFlow on the network server then this may affect the startup speed of the client machine This is because on startup the client will search the Network Neighb
19. and Environment Nearly all aspects of the FluidFlow application can be configured and customized The configuration settings that you change are saved so that each time the application starts your own preferences are applied Some of the configurations will be familiar such as changing the position of tool bars adding buttons etc because these customizations are commonly found in professional software Some aspects of the environment are stored as a subset called an Environment Set You can make as many environment sets as you need and change between them interactively An environment set is closely associated with the default input data and units for every component fluid equipment item that is available from the component palette as well as how and what calculation results you wish to see Each environment set stores the following information and can be easily accessed via a function key F4 Provides access to the default settings for each component available from within the program F5 Provides access to the data columns you wish to export to Excel F6 Allows you to set up Fly By Options A fly by is the window that appears as you move the mouse over a component on the active flowsheet It is possible to set the fly by content for each component F7 Provides access to the columns you wish to print in your report or export to Word HTML or PDF F8 Allows you to configure the contents of the table shown on t
20. anized by valve type You can algo organise by valve manufacturer by valve material of construction or by PISIS B cnnpOwlene dette application which ig a class that you can define VA Component Kind k PS i cid Manufacturer Mame Generic Slide valve Miller Data 3 Waw VWI Material Angle Val application Ball Float valve Materials Unspecified Manufacturer Miller Type Ball valve Applications Unspecified Butterfly valve Max Operating Pressure D Diaphragm Valve Pressure Unit barg Fire Hydrant Gate Valve SIZE Globe Valve Size Unit mmi Needle valve Defined By K with positioning Penstock Curve Data Curve Data Pinch Valve Plug valve Ho slide valve Data Inspector Seen here Generic Slide Valve Miller Data halding data values far the v Unspecified aeneric Slide Valve Y Globe Valve component UD z z Tz Component Tree Seen here organized bu valve tune The Database Editor is also used for viewing editing deleting and adding other fluid equipment items so the skills we learn here can also be applied to other items of fluid equipment On the left side of the editor dialog is a tree control that enables you to quickly access the individual item you need in the hierarchy You can reorganize the tree if this is more convenient Below we see the valves data tree re organized according to manufacturer In this dataset there are 8 manufacturers of butterfl
21. ation z Heat Loss Model Ignore Heat Loss Gain Properties on Flowsheet Hide Before we make the first calculation you should also check that elevations are correct for each element In fluid flow calculations the relative elevations are important which means that we need to select a datum or grade point i e a point where all elevations are measured relative to Normally we would select the ground to represent a 0 elevation In this example we will take the pump centreline as representing O elevation Check that your node elevations are Node 4 at 0 5m Node 6 at Om Nodes 13 9 8 7 at Om Nodes 14 15 16 at 1 5m Nodes 1 2 3 at 3m Nodes 19 18 17 at 4 5m Nodes 10 11 12 20 5 at 6m To complete the data input make sure that all pipe lengths are set to the values in table 3 At this stage we can leave the pipe sizes at the default values because our next task is to size all of the pipes lt 2013 gt Flite Software NI Ltd Piping Systems FluidFlow 23 If you wish that check that your data entry is correct you can load up the example Examples Cooling Water Distribution First Design Iteration which can be found in the Examples folder Press the calculate button you should see FluidFlow quickly solve the network and flow directional arrows appear on the pipes in the flowsheet You can view the results in many ways The simplest is to select the Results Tab in the data palette and click on each heat exchanger i
22. ays incremented the version number for all bug fixes e Only enhancements or new features will cause a version number increment to occur For example in the past any new bugs reported for version 2 26 would be fixed and appear in a 2 27 version only Now any new bugs reported for version 3 15 Build 1 will be fixed and will appear in version 2013 Flite Software NI Ltd 6 Quick Start Guide 1 5 3 15 Build 2 Written as 3 15 2 e All version numbers have the format Major Version Minor Version Build Number for example 3 22 Build 5 means a Version 3 product with a Minor Version number of 22 and a Build Number of 5 Written as 3 22 5 It is your responsibility to keep your software current via our website We have a Software Assurance Policy that enables continued access to the downloads area of our website http www fluidflowinfo com Downloads Downloads asp Network Issues Note This section is only relevant if you have the Network module Network Installation The installation process on the network is the same as stand alone simply run FF3SETUP EXE FluidFlow can be installed across a network as long as you use terminal services remote desktop or a similar access method The network folder MUST have write access which usually means you must have admin rights during the installation process FluidFlow does not use or require access to the Registry After installation your network users must be given permission
23. be 3 75 m and the diameter to be slightly below the default pipe size say 50 mm Recalculate and we can see a different flow distribution Design Flow 4 81 kg s DesignFlowi 6 02 kg s Design Flow 4 09 kg s Flow 2 5 5910 kg s Flow 5 4561 kg s We have added some free text to the flowsheet to indicate the design flows that we are trying to achieve Use the Text tool on the flowsheet palette to do this In our trial and error approach to flow balancing we will use the following technique 1 Reduce the size of the first orifice 21 until we reach a flow slightly below the design flow after a few iterations you will arrive at a size of 34 mm Note the flow balance is almost acceptable 2 Reduce the orifice size in the third branch 23 until we obtain the slightly below the design flow You should end up with a size of 43 mm 3 Adjust the size of the middle orifice until the overall balance is to the required flow 5 You should end up with a size of 47mm The final result is stored as Cooling Water Distribution Final Calculation You should also note that itis quite possible to obtain different orifice sizes than those provided above and still obtain the balance required We have now almost completed the design We will look at how to make final equipment 2013 Flite Software NI Ltd 26 Quick Start Guide specifications and how to consider the effect of likely operating scenarios in Part
24. changers above the pump centerline is 3m and the exchangers are approximately 7 m apart Each exchanger has 2 tube passes We need to design specify the following items Pipe sizes to be used The method we will use to balance the flow through each exchanger How to make a pump selection We need to consider what happens to the exit cooling water temperature of HE2 if the heat load is increased by 33 The completed example can be found in the Examples folder Cooling Water Distribution First Design Iteration Cooling Water Distribution Second Design Iteration through to Cooling Water Distribution Final Design Iteration Building the model in the FluidFlow flowsheet Before we start building the model let us consider a moment the design approach we intend to use If you have the autoselection or scripting modules installed you would almost certainly use a different approach to that taken in this example Without these modules we will need to take more of a trial and error approach With the design of all systems the initial question we need to answer is where do we start and end the model i e where do we and how do we define the model boundaries For this design we will start the model at the cooling tower sump and end the model at the top of the cooling tower This means the cooling tower will not be included in this model Most cooling water systems have a supply header taking fresh cooling water to each individual excha
25. eader and supply lines all 4 Pipe line sizing is always a balance between capital costs operating costs and operating flexibility Pump suction lines should always be given careful consideration We must always ensure that we have an entry head at the pump suction above the net positive suction head required by the pump a safety margin FluidFlow will detect and warn if adverse conditions exist and as a first guess we will use 4 pipe Balancing the network lt 2013 gt Flite Software NI Ltd Piping Systems FluidFlow 25 We need to add additional elements in order to balance the network Of course we can achieve the balance directly if we use a flow controller in each branch and this may be a valid solution In this example we will introduce orifice plates to drop pressure in a controlled manner in each branch so that the correct flow balance is achieved Balancing is wasteful of energy however we achieve our distribution goal To obtain the distribution required we will use 3 orifice plates one in each branch Using orifice plates is a cheap solution to the distribution issue However it may not prove very flexible if process conditions are likely to change In this case using throttling valves may be a better solution If you have the autoselect module this can be accomplished automatically Without this module we need to use trial and error Add the orifice as shown in the flowsheet set the Elevation of each orifice to
26. elves on the design we may wish to consider that the selected pump is operating very near to the run out condition This is wasteful of energy has a larger NPSH requirement increases pump wear and we would need to oversize the motor to operate at this condition We should select a smaller pump or better still we can reduce the impeller diameter to from 254mm to around 239mm This will allow us some additional capacity if needed in the future and enables us to more closely meet the design conditions lt 2 The system calculation using this pump with a speed reduction to 1360 instead of a reduced impeller size is saved as Cooling Water Distribution Final Design Iteration Pump Selected and Adjusted WARNING You should note that reducing the impeller diameter or changing the speed will produce a flexible design but in this example you can see from the adjusted pump chart that we are still operating away from the best efficiency point and so this may not be the best solution Finally we need to consider increasing the heat load to HE2 by 33 Change the heat transferred to be 333 000 Watt then recalculate The temperature ex the heat exchanger rises from 34 9 C to 38 2 C The temperature to the cooling tower increases from 34 9 to 36 2 C This increase in temperature is considered to be acceptable and we do not need to rebalance the system 2013 Flite Software NI Ltd 32 Quick Start Guide 1 12 Configuration
27. em mmn sage Again Do Not Show This Mes 2013 Flite Software NI Ltd 2 Quick Start Guide If you wish to defer activation or do not have an internet connection then press No and you can activate via email or directly from our website If you have an internet connection then select the Yes button and the activation process will be completed as described below When you purchase the software or obtain a demo licence you will be provided with a Username and Password Use the information provided in the Licence Manager as shown FluidFlow3 License Manager v1 00 18th October 2013 Activate Deactivate Export License Import License Contact Us Activate FluidFlow3 Username An Engineer Password Froduct Id gnFc pao3 Registered Evaluation version Modules Licenses Liquid Calculation Gas Calculation Non Mewtonian amp Slurry Calculation scripting Two Phase Gas Liquid Calculation Single User Version Proxy Settings SSS Important Notes Please ensure that you have full rights to your FluidFlow3 folder before activating Tf running within a virtual environment e g AVAST SandBox you will be unable to activate FluidFlow3 Tf there are any issues activating FluidFlow3 please see the Contact Us page S Activate FluidFlow3 Press the Activate FluidFlow3 button and the software will automatically obtain an activation code
28. et above the pump centerline is 6m and the manufacturer of the cooling tower requires a minimum pressure loss of 30000 Pascals for the flow distribution to work effectively We will therefore select a known pressure element for the exit boundary 2013 Flite Software NI Ltd 16 Quick Start Guide At this point the flowsheet should look something like Zr Li To add a pump with a known flow in this case our design flow of 14 92 kg s we need to select the pump element found on the Auto tab If we select a pump from the boosters tab this will represent a specific pump and the flow we obtain in the system will be that dictated by the intersection of the pump and system curves Chances are that the specific pump selection will be incorrect so we will defer the selection of the actual pump model until we have sized the pipes To do this we use the pump from the Auto tab and specify the system design flow The auto pump element will calculate the head required to deliver our design flow and thus provide us with the information to make the correct pump model selection Pipes Boundar P pa Place an auto pump on the flowsheet to the right of node 4 the node representing the cooling tower sump We are ready to start connecting pipes FluidFlow makes pipe connecting very easy because there is no need to include bends These are added for you as you draw the pipes We will again defer the task of editing data values as we c
29. f your activation code and registration name you can specify the registration name if you wish in the email you send to us click on the Activate tab and enter the information you have received as shown below Assuming we have received the following activation data Registration Name Flite Software NI Ltd Activation Code 0A0306A5365AAF07A3F28D3FA20BF B5C 7BE5682AB857 1C880EBF57F D384AB966A9 1D7A987EE0338F 7EDF BF57FD384AB966A922ADEA59EF 25E4 187DBF57FD384AB966A9A3BFF345BOBAOCEACBAF6A2F9111094829563E472CE22F9180EFAF6A2F911109482940AF7E349247A69F8BF57FD384A B966A932CCEDCABF38D8FF4AF6A2F9111094829DBAEB3D1623F8B8BFAF6A2F9111094829256BDC8D142CD1ED6AF6A2F911109482918FF7329 00F4D7F42AF6A2F91110948291 Copy and paste this information from your email 2013 Flite Software NI Ltd Piping Systems FluidFlow 5 Activate FluidFlow v3 22 5 EN Activate Transfer License How To Register Please enter your Registration Name and Activation Code If you have not yet registered FluidFlow then use one of the options on the How To Register page to register and receive your Activation Code Note To add new module licenses contact Flite to recerve a new Activation Code Product Id 9DFC D803 on Client 3DFC D803 on Server Modules Module Licenses Liquid Calculation Gas Calculation Non Newtonian amp Slurry Calculation Scripting Two Phase Gas Liguid Calculation Network Version Registration Name Flite Software NI Ltd
30. he Results tab of the data palette F9 Allows you to individually set the calculated result units and the number of decimal places you wish to use After a new installation of FluidFlow there are 2 environment sets already made for you System International and US Basic These should form the basis of changes you make Rather than making the changes to any of the basic sets provided it is a better idea to make a renamed copy and make the changes to the copy As an example of how to do this First change environment to that you wish to copy from you can do this from the combo box on the main application toolbar System International Then select from the menu Configuration Environment Save Environment to a new name Save Environment k E Efx Folder C iXA1NSPREFEREMCESSMichael Ross Ej Default Environment ffs E US Basic ffs ESI Volume Flow ffs s System International ffs Filename My BI Derivative Save Cancel Help Use the combo box in the main toolbar to change to the newly created environment and then customize by say pressing F9 to change the result units in this set 2013 Flite Software NI Ltd Piping Systems FluidFlow 33 A Set Result Units a General Gas Preferred Units Dec Places 4 gt H Area mm2 pensty kg m3 Flow ko s Length NPSH m Fluid Pipe Size Power Pressure Head Pressure Head Drop Temperature Velocity E be d e Lebe d ed e ll
31. he example You can see that each tank is over the maximum allowed pressure of 1 psig Click on any pipe and look at the results table in the data palette You can see immediately that each pipe is already larger than the size recommended according to the economic size This is an important point and illustrates that you cannot blindly set all pipe sizes to the suggested economic size in all cases Click on a few more components and consider the row titled Non Recoverable Loss this loss represents the pressure loss that can never be recovered It is this value that we must impact reduce if we are to design a safe system You should quickly note that the majority of the system pressure loss occurs at over the packed bed The packed bed represents a pressure loss of 0 6 psi out of a total of 1psi available Using this knowledge perhaps the best approach to take is increase the diameter of the bed to reduce the pressure loss rather than increase the pipe size of each pipe This now becomes a cost issue For example is it less expensive to change the diameter of the bed or use a different particle size in the bed rather than change the pipe sizes We do not have sufficient information to fully consider the available choices What is important is that you recognise how to ustilise the power of FluidFlow to consider the alternative design scenarios If you have the scripting module you can automate this process An acceptable design changi
32. ically however you may find it instructional to do the conversion now to m3 h and m Fluid The density of water obtained from the results table is 997 kg m3 and so the calculated volumetric flow will be 14 92 x 3600 997 53 87 m3 h The head that the pump is required to produce will be 137098 997 x 9 80665 14 02 m Fluid This information together with the operating fluid and temperature conditions is enough for the pump manufacturer to make a selection and under normal circumstances this is all that is required It is better to allow the manufacturer to make the selection for the following reasons pump selection is often more than a simple hydraulic selection Pump configuration sealing and shaft load considerations materials of construction etc are best handled by the manufacturer Even though the manufacturer is in a better position to make the selection it is still worthwhile and you can often get a more flexible design by making some additional hydraulic considerations For the purpose of illustration we will use the inbuilt pump selector to make the selection at this duty point As we wish to select a pump without the auto select module we aid our task by using the following tool From the menu select Tools Equipment Performance Viewers Pump Performance to create the dialog shown below D Performance Viewer Centrifugal Pump Organize By Component Kind Design Condition Flow Specified l Design Flow 53 86 m3 h E
33. id require that you also select either a Liquid or Gas License Notice that there are now less licence s available as liquid gas and Two Phase modules were taken by Administrator who logged on first You can skip to the next section unless you are the administrator and wish to set up a group of users delete a user or change a password 2013 Flite Software NI Ltd Piping Systems FluidFlow 11 1 7 Changing User Access Information Network Module To be able to make changes to user information you must logon to the application as Administrator The default administrator password is PSFF Logon as Administrator as shown below FluidF low Network Logon Username Administrator Select the modules you require Module Available Licenses Total ud Calculation as Calculation Scripting You must select at least one module in order to log on The application will start in the normal manner but an additional item will appear at the end of the Database menu items as shown below Pipes Boundaries Junctions Boosters Valves Control valvas Check Valves General Resistances Size Change Relief Devices SNe IUS MUS Fluidz Manufacturers Materials Applications Insulation Materials Thermal Conductivity Pipe Materials Thermal Conductivity Pipe Roughness Pipe Sizing Data Pipe Scaling Refresh Flowsheet Data Backup Data
34. ity change is small throughout the network we can avoid entering all bends individually Instead use the Quantity row for each bend we add in the Input Inspector to reduce the number of bends we need to add Note This approach is NOT recommended where density changes throughout a pipe section are Significant Select the Junctions Tab in the component palette and click on the bend then drop this bend into pipe If you need to create some additional length to pipe 1 on the flowsheet click on the pump node 6 hold down the left mouse button and drag the node to a different location Both of these operations are shown below Dragging a node lt Inserting a bend Add the remaining bends as shown highlighted in the flowsheet below lt 2013 gt Flite Software NI Ltd Piping Systems FluidFlow 21 Hold the Shift key and click on bends 14 15 16 17 18 and 19 and change the Quantity row in the Input Inspector on the Input page of the data palette from 1 to 2 Click on bend 13 and change the quantity to 3 Click on bend 20 and change the quantity to 5 This completes the data entry for the pipe data given in Table 3 All that remains for pipe entry is to set each pipe size You may have noticed that inserting an element in a pipe splits the pipe lengths into two equal sections this is the default behavior but can be changed if desired Click on each heat exchanger and change the default data to reflect the tube inf
35. l Centrifugal Pump 8196 1 5x3x6 Omega 2439 4004 OSNA GV80 4 6 CRE 90 3 BS 2051 080 Ex BS 3085 181 53432 8AE20 8AE17 8AE15 8AE13 6AE18 Head 22 07 m Fluid Efficiency 76 71 Best Efficiency Point 76 88 96 NPSHr 10 53 m Fluid Head Units m Fluid Close To use this tool change the Design Flow to be 53 86 m3 h and as you click on each pump in the list the performance data Head Efficiency Best Efficiency and NPSH required are shown for the currently highlighted pump 2013 Flite Software NI Ltd 30 Quick Start Guide This means that you can move through each pump in the database and view how it will perform in this system The pump shown above would be a suitable selection from NPSH and efficiency viewpoint but is unsuitable because the head developed is significantly greater that that required by our duty 14 02m Viewing the pump database provides a number of pumps that will fulfill the hydraulic and system needs You may wish to consider some of the following models Girdelstone 32ns DNP85 165 FA 253 4402Z NM3196 2x3 10 MTX etc The best choice is the to select a pump operating near the best efficiency or a pump with the highest efficiency at the duty point To complete the example we will select he Gould pump NM 3196 2x3 10 MTX even though this will provide approx 20 more head than required at the duty flow To achieve this right mouse click on the auto pump node 6 a
36. may answer the following question 1 Size all pipes so that the operating pressure under maximum filling rates does not exceed that allowed under code API 650 This means no more than 1 psig operating pressure in each storage tank Considerations and approach We will take the worst case of all 5 tanks filling at one time To easily view the calculation result values we can use one of three possible techniques We can configure and turn on the fly by results In this way we can move the mouse over the flowsheet and look at the result values we are interested in We can click the Results tab in the data palette on the left click on the flowsheet to select each component we are interested in We can show the results on the flowsheet It is important to state at the outset that there are many solutions to this problem For example we could increase all line sizes until the pressure in each tank dropped below 1 psig This would undoubtedly work but as the lines are made of stainless steel and are of a reasonable length we may not wish to over design in this way due to cost considerations 2013 Flite Software NI Ltd 39 Quick Start Guide 1 f Stagnation Pressure 108951 4 Pa a i Stagnation Pressure 108695 7 Paa Stagnation Pressure 108620 9 Pa a i Stagnation Pressure 108832 9 Pa a To start let us consider the tank pressures if we use 2 pipe throughout this is the case if we open t
37. mit 2 l s Max Flow limit run out 12 l s Name your own choice 2013 Flite Software NI Ltd Piping Systems FluidFlow 39 5 Curve Fit Curve Fit Type Polynomial l New 001 Capacity Equation Order EET Flow Unit m3 h Head Unit m Fluid Min Limit 0 Max Limit 20 m 4 b J m zumo olzcz ax n ee eee ee ew lt 4 R gren ree rur 4 R NER ae Exe E dEEe Flow m3 h Head m Fluid 5 5 5 75 5 75 Head in m Fluid ETE Se EI 1 1 1 1 r 1 1 1 1 L J I 1 1 1 H 4 1 1 T p Q e moe des pex re M Pr nce nc LM 4 7 r dlI Lh 47 r ee 6 a 10 Mote You MUST enter a minimum of 3 data Flow in m3 h points in order to obtain a valid curvefit Use Ctrl Del Key to remove a row Flow 1 11754 Head 0 48337 An Important point is you should note is the entry at Head O You are unlikely to get this information from any manufacturer so you must make an estimate The estimate you make can be guessed this is OK because we will never operate the pump anywhere near to this condition When you make the guess at head of zero ensure that you do not upset the shape of the curve for the valid data points by selecting a value that lies on a smooth curve If you do not make this guess you run
38. move to the Length row in the Input Inspector and change the length to 3 2013 Flite Software NI Ltd Quick Start Guide Messages Input Results Chart List Watch Unique Name Status On Length 3 Length Unit m Geometry Cylindrical Use Database Size Yes Nominal Size 2 inch Classification Schedule 40 Friction Model Moody Use Database Roughness Yes Roughness Description Clean or new Use Database Scaling No Scaling 0 ta 50 Heat Loss Model Ignore Heat Loss Gain Draw Thickness 1 5 1 Draw Color clBlack Properties on Flowsheet Hide lt Input Inspector The length of all 6 pipes is changed in one edit Change the length of the remaining pipes Hint the header and return sections 3 5 9 and 11 are identical Time to save our work Use the File Save menu to save your work now It is good practice to regularly save your work To complete the pipe data entry we need to make 2 additional entries For each pipe we need to specify a nominal size and we need to add further bends as shown in Table 3 We need to determine pipe size and FluidFlow can help us here so we will defer this task and add the additional bends now There are 2 additional bends in each branch line 3 in the supply line from the known flow to the first branch 8 and 5 additional bends in the return line from the last return branch 11 to the cooling tower As we are dealing with an incompressible fluid where the dens
39. mponent palette consists of a series of tab options Within each tab are the equipment item icons or elements that are used to build a fluid network A flowsheet toolbar is positioned along the left hand side of the screen Options here determine how you access and utilize the flowsheet window 2013 Flite Software NI Ltd 14 Quick Start Guide 1 9 Design of a cooling water system This section is based on a simple example that will illustrate some of the basic concepts you can use in FluidFlow The example involves designing a cooling water distribution system to three heat exchangers The topics covered in this example design are Flowsheet and model building basics How to enter data How to interpret results How to make changes to the model so that we can obtain a better design Problem Statement It is desired to provide a balanced cooling water flow from a cooling tower to 3 shell and tube heat exchangers HE1 HE2 and HE3 The size of the heat exchangers has already been determined from the process requirement and is summarized in the following table Table 1 Heat Load in W Tube length in m Number of tubes HE poooo0 e ig 012 130 250000 8 012 li s 170000 BT The cooling water is to flow through the tubes and the maximum inlet summer temperature of the cooling water will be 25 C The design temperature rise of the cooling water is 10 C The elevation of the ex
40. n Table 3 Pipe Number Pipe Length in m Number of 90 bends in pipe H 5 1 p OO To enter the pipe lengths we can use one of two approaches Either we can select pipes from the flowsheet or we can select pipes from the Lists Tab in the data palette We will use the flowsheet in 2013 Flite Software NI Ltd Piping Systems FluidFlow 19 this example We can reduce the amount of data entry we make by recognizing the fact that some of the pipes are identical For example the main feed and return branches to each exchanger are identical pipes 3 5 7 8 11 and 13 If we use the fact that we can make multiple selections on the flowsheet we can change the length of all 6 pipes with one edit There are many ways to make multiple element selections but for now we will use the mouse click method To make multiple selections using mouse clicks on the flowsheet simply hold down the Shift key and click each element you wish to select If you make a mistake and select the wrong element just click the element again and it will deselect Don t forget to keep the Shift key depressed as you are making the multiple selections Use this method to select the 6 identical branch pipes If you release the shift key and click anywhere on the flowsheet other than on a selected element you will loose your selections 5 AC ur To enter the pipe length of 3 m for each selected pipe click on the Input tab in the data palette
41. n turn on the flowsheet In the results table the only row we are interested in at this stage is the mass flow through each exchanger If we click on each exchanger in turn we can see that the flows do not match what we need from a cooling viewpoint This means that the cooling system is unbalanced and is will not work as specified in the initial design definition You should be able to see that the flow through HE1 is greater than design and the flow through HE2 and HE3 is too low There is a useful way to view these results Since we will be constantly referring to these flows we can show them on the flowsheet To do this click on the 3 exchangers while holding down the shift key to make a multiselection then in the Input Inspector change the Properties on Flowsheet row from Hide to Show set the Alignment to Top and press the Properties button to obtain the following dialog 5 Element Properties ie 2 4 _ Input I Results i Composition Mass So Elow at NTP Flow at STP bs Heat Transferred 2 In Density um In Fluid Phase 2 In Mach Number In Fiezometric Pressure bs In Stagnation Pressure In Static Pressure 2 In Temperature 2 In Total Pressure In Vapor Quality m In Velocity Select All Clear All Check the Flow in the Results tree and press the OK button The rows in the Input Inspector should look like Heat Lass Model Fixed Transfer Rate Heat Transfer Direction Into Network Heat Transferred 170000
42. nclature row in the Input Inspector if you need further information For tees having 3 different branch sizes the loss relationships need to be extrapolated and you may find that you have warning messages to this effect Warning messages are there to help you decide if you need to make design changes In this case the warning messages refer to the possible loss of calculation accuracy in the tee junctions because relationship data has been extrapolated Since there are no other available pressure loss relationships available for these types of reducing tees we have no choice but to accept this warning Still it is worthwhile checking on the calculated K values to ensure these are within an expected range 2 to 10 You can also cross check by using another loss relationship say Miller type and verify that the calculated K values and pressure losses are similar This is the case here and so we can safety ignore the warnings In fact we can turn off some of the less severe warnings but this is not recommended Often as engineers we like to keep header and return line sizes equal along the header and so a 4 or even 3 header return line size is also a valid solution Remember to take into account all possible operating scenarios and future considerations before making your final design decisions For example if we knew there was a possibility of a 4th heat exchanger being added at some time in the future then it would be a better solution to make the h
43. ncluding heat transfer and phase change The database is much more than a table of physical properties Many state of the art physical property prediction methods are available often used together with modern Equations of State such as Benedict Webb Rubin Lee Kesler and Peng Robinson There are special relationships for water and steam IAPWS air and you can also mix fluids non reacting by using the database tools or dynamically in the flowsheet An example of a pre mixed fluid made by combining fundamental fluid components in the fluid database is natural gas A typical definition showing molar composition is illustrated below Editing Mixture natural gas typical by Mole 1 1 2 2 tetrachloroethane Mixture Type Mixture by Mole 1 1 2 trichloroethane 1 1 dimethylcyclohexane 1 1 dimethylcyclopentane 1 2 3 5 tetramethylbenzene Chemical Name Percent methane ethane propane butane nitrogen gt carbon dioxide 1 2 3 benzenetriol 1 2 3 trimethylbenzene 1 2 4 5 tetramethylbenzene 1 2 4 trichlorobenzene 1 2 4 trimethylbenzene 1 2 bezenediol 1 2 dibromobutane 1 2 dichloro 4 nitrobenzene 1 2 diiodobutane 1 2 diiodopropane 1 2 dimethoxyethane 1 2 epoxybutane 1 2 pentadiene 1 2 propanediamine v Senes Alternatively fluids can be mixed on the flowsheet The following example shows the mixing of 4 alcohols 2013 Flite Software NI Ltd 34 Quick Start Guide C AT QA Incompressible FlowM iquid Mixi
44. nd select Change Component from the pop up menu change the element type from auto booster to centrifugal pump Click on the newly created centrifugal pump and from the Input Editor click on the orientation row so that the pump discharge side denoted by the red dot is oriented in the correct direction Change the pump model from the default pump by clicking on the button in the Pump Model row in the Input Editor and select the Gould NM 3196 2x3 10 MTX Set Component Organize By Manufacturer H Aquaplus Gould LT 1 1 2x3 13 11 420 HTF8O 200 220 HTF 80 200 150 3700 1xz 98M 3700 2x4 9M 5 3700 356 95 5 3160 10xi 0 14 5woM 3160 10xiz 19 5woL 3180 3x6 14 5 5 NM3196 1 5x3 13 MTs MM3198 23 10 MTX HM3196 283 6 STs CV31l71 2xz 1 Cw3171 2x2 8 Cw3171 2x3 13 Cw3l171 3x3 10 Cw3171 3xd 13 3296 3xd 1 L 3708 Ave 1 bi Notice that the pressure developed by this pump is around 20 more than needed and that the flows through each exchanger have increased by around 10 above the design flows 2013 Flite Software NI Ltd Piping Systems FluidFlow 1 Design Flow 4 91 kg 1 Design 6 02 kgs Flo 7 5 2382 kg s Flow 6 6577 kg s Duty Flow 16 4899 kg s Duty Pressure Rise 148584 8 Pa Duty Efficiency 55 55 29 Duty Power 4444 3 Watt Duty NESH Required 226565 3 Pa Duty NESH Available 101233 08 Pa a As engineers we like to over design Right Before we congratulate ours
45. ng 4 alcohols FF3 4 fluid streams mixing from known pressure sources FluidFlaw carries aut an individual fluid component mass balance at each nade and Feed is 100 methanol adjusts compositions and physical properties 2 4 atm accordingly gp op eed d Composition Mass nonanol 40 9 butanol 76 1 ethanol 16 6 methanol 16 5 Feed is 100 nonanol i 2 1 atm Feed is 10095 butanol a 2 3 atm Feed is 10 075 ethanol ka 2 4 atm The scope of explaining the addition of a new fluid to the fluid properties database is a little outside the quick start guide For detailed information on how to do this see the help file or user manual In the database section we will explain a simpler addition in the next section lt 2013 gt Flite Software NI Ltd Piping Systems FluidFlow 35 1 15 Database of Manually Operated Valves As an example of how the various databases are structured we will look closer at the dataset of manually operated valves The dataset of manual valves is actually a subset of a larger database containing all fluid equipment components or items The full database describes performance limitations and usage of all items on the component palette To view edit delete or add to the manual valves subset make the selection from the Database Valves menu to display the Database Editor Valves dialog Database Editor Valves Option used to organize the tree The tree is seen here org
46. ng only pipe sizes downstream of the Tee junction node 15 is saved as Pipe Sized Gas Collection System 2013 Flite Software NI Ltd Piping Systems FluidFlow 29 1 11 Design of a Cooling Water System Part 2 This is the concluding part to the design of a cooling water system started in Part 1 In this part we will select a pump to perform at the operating duty specified from the auto booster element and consider the effect on the system if the heat load on exchanger 2 HE2 is increased by 33 Open the file Examples Cooling Water Distribution Final Design Iteration as the starting point for this exercise and then click on the auto booster element on the flowsheet and the results tab on the data palette If you are using the default System International environment you should see a result Similar to Data Palette a z Messages Input Y Results Chart List Watch User Number 6 Duty Flow 14 9 kg s Duty Pressure Rise 137098 13 Pa ro 104718 9 Paa In Stagnation Pressu i e the design flow of 14 92 kg s of water at 25 C needs a pressure rise of 137098 Pa in order to operate at the design flows We may wish to stop here and ask our preferred pump manufacturer to suggest a pump to supply this duty To do this we will need to convert the pump duty flow to a suitable volumetric units and the calculated pressure rise needed to head units You can use FluidFlow to do this for you automat
47. nger and a collection return header we will use this same approach Finally before we start building the model we need to consider the cooling water flow we need to each exchanger branch The flow to each exchanger is determined by a heat balance The heat transferred to the cooling water will be Heat Transferred W mass flow kg s x specific heat capacity J kg x temperature rise C The specific heat of water at 30 C is approx 4154 J kg so from Table 1 we see that the mass flow needed to HE1 will be 200000 4154 x 10 4 81 kg s Summarizing in Table 2 Table 2 Heat Exchanger Name Mass Flow in kg s 2013 Flite Software NI Ltd Piping Systems FluidFlow 15 We will start building the model by placing 3 shell and tube exchangers onto the flowsheet Select the shell and tube exchanger by clicking on the component palette Heat Exchangers Tab and by selecting the shell and tube icon Pipes Boundaries Jur Heat Exchangers User AUE Drop 3 heat exchangers onto a new flowsheet as shown below ina As we drop each element or component onto the flowsheet default data is associated with the element The default data for each element can be seen in the data palette by clicking on the Input Tab Often we need to change some value s in the default data to meet our needs For now we will continue building and come back later to change each individual element as necessary The reason we are deferring this ta
48. oftware NI Ltd pipe length 14 pipe numbering 14 pipe size 27 Pipe sizes 14 Pipe Sizing 14 piping network 13 Product ld 1 pump 14 29 Quantity 14 quick key 32 Nm schematic layout 13 Setting Up Client 6 settings 32 Setup 1 synchronised 13 System Requirements 1 W Welcome 1 2013 Flite Software NI Ltd Back Cover
49. onnect pipes Right now we are only concerned with building the model connectivity Click the pipe tool on the steel pipe icon Pipes Baundai As you move the cursor over the flowsheet the shape changes to a pipe Click on the known pressure boundary and then move the mouse to be directly over the auto pump element then click the left mouse button ar N de FluidFlow will then complete the pipe connection from the cooling water sump to the pump While the 2013 Flite Software NI Ltd Piping Systems FluidFlow cursor is over the pump make a second left mouse click and then move the mouse cursor to the right beneath heat exchanger 3 and make another left mouse click A pipe is created starting at the pump and terminating at an open end Click on the open end and move the cursor to lie over the heat exchanger as shown below Z x ey T Z M Click on the exchanger to complete the connection from the open end to the far right heat exchanger Notice that the open pipe has changed to a bend f you make a mistake click on the selector icon in the flowsheet toolbar select the wrongly connected element and use the Ctrl and Delete keys together to delete the selected element Move the cursor to the location shown above Notice how the cursor changes from a pipe to a split pipe as we move over a pipe that can be split If we click here the pipe will be split and we can make the connection to the middle hea
50. ormation provided in table 1 The Input Inspector for HE2 is shown below Data Palette j a mu M Messages Input Results Chart List Watch Unique Name HE status On Elevation 3 Elevation Unit m Pressure Loss Model Standard Relationships Fluid Side Number of Tubes Number of Tube Passes Tube Diameter Diameter Unit Tube Length Length Unit Heat Loss Model Heat Transfer Direction Heat Transferred Heat Transfer Unit Properties on Flowsheet Tubeside 165 2 12 mm 3 m Fixed Transfer Rate Into Network 250000 Watt You have probably realised that the number and content of the rows displayed in the Input Inspector is governed by the choices you make For example changing the Heat Loss Model From Ignore to Fixed Transfer Rate means that you need to supply additional data and so the additional rows Heat Transfer Direction Heat Transferred and Heat Transfer Unit appear Heat Transfer Direction Into the network means that the exchangers are acting as coolers i e the process side is generating heat Two more entries in the Inspector and we are ready to make our first calculation At the input boundary 4 we need to set the pressure boundary temperature and ensure that the fluid is water The Input Inspector should look like 259C inlet temperature and a pressure of 1 atm 2013 Flite Software NI Ltd 22 Quick Start Guide Messages Input Results Chart List Watch
51. ourhood to find the link s target Normally if the network server is always on this will take no noticeable time however if the network server is down you may notice some small extra delay in startup Note This is not specific to FluidFlow but is true of all applications linked to a network resource Help Files on the Network From FluidFlow release V3 22 4 help files work across a LAN or WAN automatically If you are not using the current production release then the following info may be important in order 2013 Flite Software NI Ltd 8 Quick Start Guide to get your help files operating over a network Recent security updates to Windows XP have introduced some severe restrictions for accessing HTML Help files across network drives Under Windows XP and Vista most file links in HTML Help files will now generally not work at all and HTML Help itself is also severely restricted Without registry changes on the user s computer HTML Help now cannot be used at all on networks This has an effect on the FluidFlow Network Version as all client machines that try to display the Help file will receive a Page not found message More details and a fix for this problem are available on the Help amp Manual website Alternatively there is a workaround to allow a client machine to display Network based HTML Help files but it does involve modifying the Registry on the client machine To do this 1 Click Start click Run t
52. r the purpose of activation ONLY you can overcome this issue by connecting to the server via remote desktop terminal services citrix etc or being physically present at the server to activate So to activate a network version run the application via remote desktop or be physically at the server Another possible reason for unable to activate is because you do not have the correct read write modify permissions to the folder and all sub folders where FluidFlow is installed 2 User Limit 1 reached No more users allowed message always displayed no matter how many licenses This is caused by the incorrect sharing of the FluidFlow folder For more information see the Network Installation section above lt 2013 gt Flite Software NI Ltd Piping Systems FluidFlow 9 1 6 Starting the Application Network Module If you have the network module activated the product starts slightly differently to the start up of the stand alone version If you do not have the network module activated then skip this section The first step in the start up for a network user is a simple logon screen RUE LOL LL LLL ie Password Select the modules you require Module Available Licenses Total E E Liquid Calculation Gas Calculation Non Newtonian amp Slurry Calculation Scripting Two Phase Gas Liquid Calculation Note 1 Non Newtonian amp Slurry requires that you also select a Liquid License Note
53. sk is that there are many group features built into FluidFlow to aid data editing and setup which we can use later Next we will add the two boundaries Inlet Boundary For the cooling water inlet boundary we need a boundary that can represent the cooling water sump We know that the sump is open to atmosphere and that during normal operation the liquid level in the sump is 0 5m above the pump centreline If we specify the pressure at any boundary then FluidFlow will calculate the flow that will be delivered to the system In our design we know the design flow that is needed because this is determined by the heat load of the exchangers Later we will make a pump selection that will provide us with the correct flow Pipes Boundaries J DET EE Select the known flow boundary by clicking on the component palette Boundaries Tab and by selecting the known pressure icon Place the known pressure element on the flowsheet anywhere below the 3 heat exchangers Outlet Boundary The collection return line eventually leads back to a cooling tower At this boundary we know or it is a design specified condition the pressure that we must be above in order for the system to work The water pressure necessary at the exit boundary is the sum of the elevation we need to rise to the top of the cooling tower any pressure required to overcome the loss in the flow distribution system feeding the cooling water tower The elevation of the cooling tower inl
54. t exchanger The split pipe has converted itself into a Tee connection This type of junction because it is made dynamically adjusts itself depending on the number of pipes connected For example a single pipe connected and the junction is an open ended pipe two connected pipes and the junction transforms to a bend three connected pipes the junction becomes a tee or wye and with four connected pipes the junction becomes a cross Make further connections so that we end up with a connected network as shown next Turn on the pipe numbering from the flowsheet toolbar Note that pipe numbers go from 1 n and that other elements nodes and text are numbered 1 n 2013 Flite Software NI Ltd o Quick Start Guide Changing the default data using the flowsheet and data palette Up until this point no data entry has been made we have focused on describing the element connectivity This means that each element will have default data values according to the current environment set in use when the element was placed on the flowsheet see Customizations and Environment section for more information about environment sets You can select any element on the flowsheet at any time by clicking on the element after first using clicking on the selector icon First we need to enter all the pipe lengths Table 3 shows the pipe lengths that are fixed by the physical plant layout and also the number of bends in each pipe sectio
55. tail and make a printout from this dialog We cannot emphasize enough that it is vital that you check your data after adding any new component You need to check the data for continuity over all possible operating positions range and that you have also entered all additional data needed 2013 Flite Software NI Ltd 38 Quick Start Guide 1 16 Add a New Pump As an additional exercise add a new fictitious centrifugal pump from the following data Max Operating Pressure 10 m Water g Suction Size 150 mm Discharge Size 100 mm Data Operating Speed 100 Min Speed 50 Max Speed 150 Data Impeller diameter 250 mm Min Impeller Diameter 200 mm Max Impeller Diameter 300 mm It is possible to leave the suction and discharge values at 0 If you do this FluidFlow will not make any size check FluidFlow makes size checks to ensure you connect up a correct pipe size to the suction and discharge flanges of the pump The Data Operating Speed and the Min and Max Speed can also be at the same value You can do this if you do not intend to install a variable speed motor The Data Impeller Diameter and the Min Impeller and Max Impeller Diameters can also be set to the same value This may be true if the pump only takes a fixed size impeller Then enter the capacity efficiency and NPSHr curves from Table 5 Table 5 Flowinl s Head in m Fluid Eff NPSH in m Fluid O0 1 o WdMdOo l L4 Min Flow li
56. ves Organize By Component Kind Valves 3 Waw Valve Angle valve Ball Float Valve Ball valve Butterfly valve Diaphragm Valve Fire Hydrant Gate Valve Generic Gate Valve Miller Data Generic Gate Valve V2 Data Powell 10 Gate Valve Name Manufacturer Materials Applications Max Operating Pressure Pressure Unit Size Size Unit Defined By Fully Open K Kf Cv ar Kv My Valve Unspecified Unspecified Unspecified bar q 0 mr Kf no positioning Powell 12 Gate Valve Powell 2 Gate Valve Powell 2 5 Gate Valve Powell 3 Gate Valve Powell 4 Gate Valve Powell 6 Gate Valve Powell 8 Gate Valve Globe Valve Needle valve Penstock Pinch Valve You can now edit the default data via the Data Inspector For example you could assign a manufacturer or several materials The data available for this valve is provided by the manufacturer Size 100mm with pressure loss data expressed as a Cv value in usgpm psi The pressure loss data is tabulated in Table 4 Table 4 100 e600 J J 80 o 500 O go 5400 J O After you enter at least 3 sets of data points a curve fit of the data points occurs automatically You can change the type of curve fit and if you select a polynomial you can also fix the order The graph allows you to visually judge how the curve fit appears over the whole of the possible range You can also zoom the graph for more de
57. y valves shown in alphanumeric order 2013 Flite Software NI Ltd 36 Quick Start Guide Valves 3 Wawy Valve Angle Valve Ball Flaat Valve Ball Valve Butterfly Valve Se copes Vulcan BHP 100mm ANSI Class 150 BHP 125mm ANSI Class 150 BHP 150mm ANSI Class 150 BHP 200mm ANSI Class 150 BHP 250mm ANSI Class 150 BHP 50mm ANSI Class 150 BHP 65mm 4NSI Class 150 BHP 80mm ANSI Class 150 Crane GEFA Generic Miller Type Pratt Unspecified Orns Diaphragm Valve Fire Hydrant l E E H E A ETE Adding new Data With all FluidFlow datasets the method of data entry is identical In general we follow these steps Select the appropriate dataset use Database Dataset Name from the application menu Press the Add button Enter a unique name and press OK Enter the data that describes the component fluid equipment item JUN HR Add a new Valve To add a new gate type valve select Database Valves from the application menu This will display the Database Editor Valves dialog identical to that shown earlier in this section Organize the tree according to Component Kind and click on the branch titled Gate Valve After clicking at this branch the Add button should be enabled Click the Add button enter a name say MyValve and press the OK button The Editor should look like 2013 Flite Software NI Ltd Piping Systems FluidFlow Database Editor Val
58. ype regedit and then click OK 2 Locate and then click the following subkey HKEY LOCAL MACHINEYSOFTWAREMicrosoftAHTMLHelpM xMtssRestrictions Note If this registry subkey does not exist create it To do this follow these steps a On the Edit menu point to New and then click Key b Type ItssRestrictions and then press ENTER 4 Right click the ItssRestrictions subkey point to New and then click DWORD Value 5 Type MaxAllowedZone and then press ENTER 6 Right click the MaxAllowedZone value and then click Modify 7 In the Value data box type 1 and then click OK This will allow you to access CHM files on a shared network folder For more information see http support microsoft com kbid 896054 Note Always make a backup of the Registry before making any modifications so that you can rollback the changes if anything goes awry To do this run Regedit select the File Export menu item select the All option from Export Range enter a filename and click Save You can later use the File Import menu item if you want to revert to your original Registry Troubleshooting The most usual issues reported for network installations and their resolutions are given below 1 Unable to Activate This is because you are trying to activate from a client machine This is not possible because you are running the application in the client workspace and not the server workspace Fo

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