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ANSYSFluentFuelCellModulesManualRelease15.0ANSYS,Inc.November2013Southpointe275TechnologyDriveCanonsburg,PA15317ANSYS,Inc.iscertifiedtoISO9001:2008.ansysinfo@ansys.com(T)724-746-3304(F)724-514-9494CopyrightandTrademarkInformation©2013SASIP,Inc.Allrightsreserved.Unauthorizeduse,distributionorduplicationisprohibited.ANSYS,ANSYSWorkbench,Ansoft,AUTODYN,EKM,EngineeringKnowledgeManager,CFX,FLUENT,HFSSandanyandallANSYS,Inc.brand,product,serviceandfeaturenames,logosandslogansareregisteredtrademarksortrademarksofANSYS,Inc.oritssubsidiariesintheUnitedStatesorothercountries.ICEMCFDisatrademarkusedbyANSYS,Inc.underlicense.CFXisatrademarkofSonyCorporationinJapan.Allotherbrand,product,serviceandfeaturenamesortrademarksarethepropertyoftheirrespectiveowners.DisclaimerNoticeTHISANSYSSOFTWAREPRODUCTANDPROGRAMDOCUMENTATIONINCLUDETRADESECRETSANDARECONFID-ENTIALANDPROPRIETARYPRODUCTSOFANSYS,INC.,ITSSUBSIDIARIES,ORLICENSORS.ThesoftwareproductsanddocumentationarefurnishedbyANSYS,Inc.,itssubsidiaries,oraffiliatesunderasoftwarelicenseagreementthatcontainsprovisionsconcerningnon-disclosure,copying,lengthandnatureofuse,compliancewithexportinglaws,warranties,disclaimers,limitationsofliability,andremedies,andotherprovisions.Thesoftwareproductsanddocumentationmaybeused,disclosed,transferred,orcopiedonlyinaccordancewiththetermsandconditionsofthatsoftwarelicenseagreement.ANSYS,Inc.iscertifiedtoISO9001:2008.U.S.GovernmentRightsForU.S.Governmentusers,exceptasspecificallygrantedbytheANSYS,Inc.softwarelicenseagreement,theuse,duplication,ordisclosurebytheUnitedStatesGovernmentissubjecttorestrictionsstatedintheANSYS,Inc.softwarelicenseagreementandFAR12.212(fornon-DODlicenses).Third-PartySoftwareSeethelegalinformationintheproducthelpfilesforthecompleteLegalNoticeforANSYSproprietarysoftwareandthird-partysoftware.IfyouareunabletoaccesstheLegalNotice,pleasecontactANSYS,Inc.PublishedintheU.S.A.TableofContentsUsingThisManual........................................................................................................................................v1.TheContentsofThisManual................................................................................................................v2.TheContentsoftheFluentManuals.....................................................................................................v3.TypographicalConventions................................................................................................................vii4.MathematicalConventions................................................................................................................vii5.TechnicalSupport.............................................................................................................................viii1.FuelCellandElectrolysisModelTheory.................................................................................................11.1.Introduction.....................................................................................................................................11.1.1.IntroductiontoPEMFC.............................................................................................................21.1.2.IntroductiontoSOFC...............................................................................................................31.1.3.IntroductiontoElectrolysis.......................................................................................................31.2.ElectrochemistryModeling...............................................................................................................31.3.CurrentandMassConservation.........................................................................................................61.4.HeatSource......................................................................................................................................71.5.LiquidWaterFormation,Transport,anditsEffects(PEMFCOnly).........................................................71.6.Properties.........................................................................................................................................81.7.TransientSimulations......................................................................................................................101.8.LeakageCurrent(Cross-OverCurrent).............................................................................................102.UsingtheFuelCellandElectrolysisModel...........................................................................................132.1.Introduction...................................................................................................................................132.2.GeometryDefinitionfortheFuelCellandElectrolysisModel............................................................132.3.InstallingtheFuelCellandElectrolysisModel..................................................................................142.4.LoadingtheFuelCellandElectrolysisModu