风扇和压缩机的基本设计 - 端壁流动和损失.pdf

风扇和压缩机的基本设计 - 端壁流动和损失.pdf

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quipeTurbomachinesquipeTurbomachinesXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015BasicdesignoffansandcompressorsendwallflowsandlossesChengDu,SiChuanSeptember15,2015XavierOTTAVYEcoleCentraledeLyonLaboratoiredeMcaniquedesFluidesetdAcoustiquequipeTurbomachinesquipeTurbomachinesOverviewEcoleCentraledeLyon（ECL）andLMFABasicdesignofcompressors（steady,2D）RealflowandlossesExperimentandCFDXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015quipeTurbomachinesquipeTurbomachinesEcoleCentraledeLyonXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015quipeTurbomachinesquipeTurbomachinesEcoleCentraledeLyonXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015quipeTurbomachinesquipeTurbomachinesEcoleCentraledeLyonXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015ResearchatECLInternationallyrecognized,connectedwithnationalinstancesandIndustry6laboratoriesUMRCNRS5mainresearchaxis:

nanotechnologies/nanomaterial,transport,energy,environmentandbio-engineeringBalancebetweenacademicresearchandappliedresearch（connectedwithindustrial）HighscientificlevelrankDeeplyimpliedintheindustrialdevelopmentStrengthofitsfacilitiesExperimentalplatformsHighspeedrigs,anechoicchambers,whiteroomsNewEQUIPEX（largefacilities）inturbomachinery,bioandtextilefieldsResearchandindustrialcontractsquipeTurbomachinesquipeTurbomachinesLaboratoiredeMcaniquedesFluidesetdAcoustiqueXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015quipeTurbomachinesquipeTurbomachinesLMFA（dean:

Pr.PhillipeBlanc-Benon）4researchdepartmentsAcousticsCentre（D.Juv）ComplexFluidsandTransfers（S.Simons）Turbomachines（I.Trebinjac）TurbulenceandStability（F.Godeferd）HumanResources188people105permanents（23researchersCNRS,48Teaching-researchers,34ITAetIATOS）83PhDstudentsandpost-doctorates.XavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015quipeTurbomachinesquipeTurbomachinesXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015ApplicationsfieldsandindustrialpartnersAeronauticsandAerospace:

LMFAisPleExternedeRechercheSNECMAsince1998AgreementwithONERASAFRAN/SNECMA,CNES,ONERA,Turbomeca,EADS,DassaultAutomobileRenault,Volvo,Valeo,Delphi,IAV,CNRT,PO,PlesLUTB,Moveo,ID4carEnvironment-NoiseDGA,CNES,ONERA,SNCF,Eurocopter,EADS,PSA,CEADAMEnvironment-atmospheric,hydrologyEDF,INERIS,CEA,CEMAGREF,Total,London,Turino,AirParifGniedesprocds,EnergyCEA,Aventis,Geoservices,AndritzquipeTurbomachinesquipeTurbomachinesXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015InternationalRelationshipsCollaborationsandAgreementswithforeigninstitutes:

GermanyTUBerlin,DarmstadtUKCambridge,ImperialCollege,Newcastle,SureyUSCornell,JohnsHopkins,PurdueSwisserlandKTHZurich,EPFLRussiaMoscou,Novosibirsk,PermItalyPolitecnicoTurin,Roma3JapanKeioU.Tokyo,TohokuChinaTsinghuaPkin,BUAAPkin,LanzhouSwedenKTHTunisiaTunisBelgiumIVK,LouvainLIAElyt（Lyon-Tohoku）avecleJapon:

InstituteofFluidScience,Tohoku,LTDS（ECL）etMATEIS（INSA）（pilotes）,LMFA,LaMCoS,CethilLIAbetweenBUAAinBeijingandtheinter-groupofEcolesCentrales.AgreementforcooperationwiththeInstituteofLomonossov,RussianAcad.Sciences.quipeTurbomachinesquipeTurbomachinesTurbomachinesUnsteadinessandinstabilitiesinturbomachines（X.Ottavy）Multi-physiquescouplinginturbomachines（Y.Rozenberg）OptimizationandControl（S.Aubert）Lesobjectivesofouractivitiesarethecontrolofrisks,thereductionofnuisancestheenergeticefficiency,inthefieldsoftransportsandEnergy.XavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015quipeTurbomachinesquipeTurbomachinesOverviewEcoleCentraledeLyon（ECL）andLMFABasicdesignofcompressors（steady,2D-stream-line）RealflowandlossesExperimentandCFDXavierOTTAVY-LMFATurbomachineryChengDu,SiChuan-September15,2015quipeTurbomachinesquipeTurbomachinesBasicdesignmethodologyCompressorinacircuitForaspecificrotationspeed,themassflowrateQisfixed.Theoperatingpointofthecompressorisdefinedattheintersectionofitsiso-speedline（N1=cte）andthecurveofthelossesofthecircuit.Thepressuredeliveredbythecompressoronlycounterbalancethepressurelossesgeneratedbythecircuit（betweentheinletandtheoutlet）.Increasingtherotationspeedofthecompressorwillleadtoanewequilibrium

（1）LMFATurbomachineryActivities-XavierOTTAVYChengDu,SiChuan-September15,2015-Pressureratio-MassflowratequipeTurbomachinesquipeTurbomachines21

（2）TdwdpdVTds=+BasicdesignmethodologyWork,enthalpy,energyEnergyequation（1stprinciple）Adiabaticcase:

dq=0Isentropiccase:

ds=0LMFATurbomachineryActivities-XavierOTTAVYChengDu,SiChuan-September15,20150Tdhdqdw=+Stagnationenthalpy=energyexchangedbetweenthefluidandthemachineHeattransferwiththeexteriorWorkexc