TurboMatch™ 涡轮增压器设计系统.pptx

TurboMatch™ 涡轮增压器设计系统.pptx

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,2011ConceptsETI,Inc.Thematerialcontainedhereinisproprietaryandconfidential.Allrightsreserved.,TurboMatchTurbochargerDesignSystem,Providesystem-levelmodelingofkeycomponentsinaturbochargersystem.IntakeCompressorIntercoolerEngineTurbine（withvariablegeometry）High/lowpressureEGRWastegateExhaust,TurbochargerDesignSystem,2,2011ConceptsETI,Inc.Allrightsreserved.,CompressormodelcanbedynamicallylinkedtoaCOMPALmeanlinemodel.TheCOMPALlinkallowspreliminarydesigncapabilityinthecontextofaturbochargersystem.COMPALmodelavoidsthedifficultiesofinterpolating/extrapolatingancompressormap.,CompressorModel&COMPAL,3,2011ConceptsETI,Inc.Allrightsreserved.,CompressormodelcanalsobesuppliedbyauserspecifiedSAEmap.TheSAEcanbeeditedinsidetheTurboMatchprogramifnecessary.,CompressorModel&SAEMap,4,2011ConceptsETI,Inc.Allrightsreserved.,TurbinemodelcanbedynamicallylinkedtotheRITALmeanlinemodel.RITALlinkallowspreliminarydesigncapabilityinthecontextofaturbochargersystem.RITALmodelalsoavoidsthedifficultyofinterpolating/extrapolatingaturbinemap.,TurbineModel&RITAL,5,2011ConceptsETI,Inc.Allrightsreserved.,TurbinemodelcanalsobesuppliedbyauserspecifiedSAEmap.TurbinemapcanbeeditedwiththeutilityinsideTurboMatch.,TurbineModel&SAEMap,6,2011ConceptsETI,Inc.Allrightsreserved.,Ifneithercompressornorturbinemodelisavailable,thesolverrunspreliminarydesignofcompressororturbinethroughCOMlinkstoCOMPALandRITAL.Ifeitheracompressororturbinemodelisspecified,thesolvercanbeusedtodesignamatchingturbineorcompressor.Ifbothcompressorandturbinemodelsareavailable,thesolvercanbeusedtofindtheoperatingpointoftheturbocharger.Multiplepointanalysis,SolverOptions,7,2011ConceptsETI,Inc.Allrightsreserved.,Withtheboostpressureratioandenginemodelspecified,theprogramcandesignacompressorandaturbineusingthepreliminarydesignmodeofCOMPALandRITAL.COMPALinput:

BoostpressureratioRPMfromuserspecificationofNSMassflow,fromtheiterationwiththeenginemodelRITALinput:

ExpansionratiofromthepowerbalanceRPMMassflowOutputisaCOMPALandRITALmodels,8,2011ConceptsETI,Inc.Allrightsreserved.,DesignMode,Withtheturbochargersystem,includingthecompressor,turbineandenginemodelsspecified,theprogramcancalculatetheoperatingconditionsofthesystem.Thissolvermodecanbeusedtotrydifferentcompressorandturbinedesignsduringdesign.Themainoutputarethecompressorboostpressureratioandturbochargershaftspeed.,9,2011ConceptsETI,Inc.Allrightsreserved.,AnalysisMode,Theanalysismodecanbeusedtorunanengineoperatingline.Theresultedoperatinglinesforthecompressorandturbinecanbeplottedonthecompressorandturbinemaptoidentifytheoperatingrange.,RunEngineOperatingLine,10,2011ConceptsETI,Inc.Allrightsreserved.,Theboostpressureratioislimited.Theextraflowfromenginegoesthroughthewastegate.,TurbochargerwithWasteGate,11,2011ConceptsETI,Inc.Allrightsreserved.,Boostpressureislimited.Nozzleangleadjustedtomatchthecompressoratthecorrectflowandpower.,TurbochargerwithVariableGeometryTurbine,12,2011ConceptsETI,Inc.Allrightsreserved.,SelectaturbochargertomatchagivenengineDesignanewturbochargerwithassuranceofenginematchingateverystageofthedesignReadilychangecompressorandturbinesizesandpredicttheeffectonthematchRapidlymakeapreliminaryoptimizationoftheturbochargingsystemStudytheeffectofwastegates,variablegeometry,EGR,andcomponentlossesonthematchandperformanceEasytouse;doesnotrequirealargesetuptimeordetailedinputofthesystem,13,2011ConceptsETI,Inc.Allrightsreserved.,TurboMatchBenefits,2011ConceptsETI,Inc.Thematerialcontainedhereinisproprietaryandconfidential.Allrightsreserved.,ExampleMatchingaTurbochargertothespecificEngineSystem,EngineTargetSpecification,GasolinedirectinjectionEnginedisplacement0.8litersSinglewastegateturbo,Maxtorque240Nm1500rpm（38BMEP）Maxpower140hp4500rpm（103kW/liters）Positivescavengingrequiredonallspeeds,Downsizedanddownspeeded,15,2011ConceptsETI,Inc.Allrightsreserved.,applicationforlowfuelconsumption,ManifoldPressureRequirement,Typicalcurveforanstandardturboi.e.approx25BMEPasareference,Newturbodesignwillbeneeded,16,2011ConceptsETI,Inc.Allrightsreserved.,Clean-sheetTurbochargerSizing,Thispointwillbeusedtosizetheturbinei.e.thepointwherethewastegateopen,Thispointwillbeusedtosizethecompressor,17,2011ConceptsETI,Inc.Allrightsreserved.,RequiredCompressorOperatingCurve,ThispointwillbeusedtosizetheturbinewithRITALinDesignModeandCOMPALinanalysismode,ThispointwillbeusedtosizethecompressorusingCOMPALindesignmode,18,2011ConceptsETI,In