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1、ProceedingsofASMEFEDSM’03ProceedingsofFEDSM’034THASME_JSMEJointFluidsEngineeringConference4thASME_JSMEJointFluidsEngineeringConferenceHonolulu,Hawaii,USA,July6-10,2003Honolulu,Hawaii,USA,July6–11,2003FEDSM2003-45692FEDSM2003-45692FLOWANDCHEMICALKINETICSSIMULATIONSOFEN
2、DOTHERMICFUELSThomasA.WardJamieS.Ervin,Ph.D.Dept.ofMechanicalandAerospaceEngineeringDept.ofMechanicalandAerospaceEngineeringUniversityofDaytonUniversityofDaytonDayton,OhioUSADayton,OhioUSARichardC.StriebichStevenZabarnick,Ph.D.UniversityofDaytonResearchInstituteUniver
3、sityofDaytonDayton,OhioUSADayton,OhioUSAABSTRACTreactions.Howeverforlowconversion(mild-cracking)ofAdvancedaircraftenginesarereachingapracticalheatnormalalkanes,theprimarydegradationproductshavebeentransferlimitbeyondwhichtheconvectiveheattransferobservedtobesmallercar
4、bonnumberalkanes,alkenes,andprovidedbyhydrocarbonfuelsisnolongeradequate.Onehydrogen[2-4].solutionistouseanendothermicfuelthatabsorbsheatthroughAlthoughthermalcrackingisanavenuetoincreaseheatchemicalreactions.Thispaperdescribesthedevelopmentofasinkpotential,therearenu
5、merousconcernsthatneedtobetwo-dimensionalcomputationalmodeloftheheatandmassstudied.Forexample,thereisastrongcouplingbetweenthetransportassociatedwithaflowingfuelusingauniqueglobalchemicalkineticsandtransportphenomenaunderthechemicalkineticsmodel.Mostpastmodelsdonotacc
6、ountforsupercriticalconditionsexpectedforendothermicfuels.Underchangesinthechemicalcompositionofaflowingfuelandalsosupercriticalconditions,thetransportpropertiesmaychangedonotadequatelypredictflowpropertiesinthesupercriticaldrasticallywhich,inturn,influencetheendother
7、micreactions.regime.Thetwo-dimensionalcomputationalmodelpresentedNumericalsimulationscanassistinunderstandingherecalculatesthechangingflowpropertiesofasupercriticalendothermicfuelexperiments.Mostpastnumericalsimulationsreactingfuelbyuseofexperimentallyderivedproportio
8、nalofthethermalcrackingofflowingjetfuelhaveincludedglobalproductdistributions.Thepresentcalculationsarevalidatedbychemicalme
