使用Concepts NREC软件进行涡轮增压器系列化设计..pptx
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使用Concepts NREC软件进行涡轮增压器系列化设计..pptx
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Enginetargetspecification,GasolinedirectinjectionEnginedisplacement0.8litersSinglewastegateturboMaxtorque240Nm1500rpm(38BMEP)Maxpower140hp4500rpm(103kW/liters)Positivescavengingrequiredonallspeeds,Downsizedanddownspeededapplicationforlowfuelconsumption,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,1,Manifoldpressurerequirement,Typicalcurveforanstandardturboi.e.approx25BMEPasareference,Newturbodesignwillbeneeded,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,2,Cleansheetturbochargersizing,Thispointwillbeusedtosizetheturbinei.e.thepointwherethewastegateopen,Thispointwillbeusedtosizethecompressor,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,3,Requiredcompressoroperatingcurve,ThispointwillbeusedtosizetheturbinewithRITALinDesignModeandCOMPALinanalysismode,ThispointwillbeusedtosizethecompressorusingCOMPALindesignmode,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,4,TurboMatchsetupforcompressorsizing,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,5,TurboMatchsetupforcompressorsizing,Enginedataforsizingthecompressor,Compressordataforsizingthecompressor,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,6,COMPALcompressorlayout,AxCent3dviewjusttoshowtheLSAdiffuserasareference.AxCentnotused.,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,7,COMPALdesignmodeincludingallelements.,COMPALsetupforDesignMode,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,8,COMPALsetupforDesignMode,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,9,Compressorspeedselection,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,10,Compressorspeedselection,Thisvaluetobeused,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,11,CompressorspeedselectionCOMPAL,Diffusionhastobecompromisedtoachievemorerange.i.e.reducedexitbladeheight.,FlowrangeisastrongfunctionofimpellerrelativeMachnumberDirectionoflowerspecificspeedi.e.Largerexitradius,Maximumalpha,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,12,COMPALfileissavedinanalysismode,Myestimatedoperatingcurvedonotfitthemap.Mostlikelyaslightlydifferentspecificspeedshouldhavebeenused.,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,13,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.14,TurbinedesignmodeinTurboMatch,COMPALandRITALsetup,COMPALnowruninanalysismodesinglepoint,RITALnowworkindesignmode,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,15,RITALsetupforDesignMode,Theintentistomaximizetheefficiencytobeabletoruntheenginewithpositivepressurebalanceoverthecylinderheadi.e.scavantag,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,16,TurbinedimensionssearchedbyTurboMatch,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,17,TurbineandCompressorsizesarefound,Turbineouterdiameter49mmExitdiameter38mm,Compressorouterdiameter50mmInletdiameter28mm,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,18,SinglepointcalculationinTurboMatch,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,19,Operatingpointat1750rpm,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,20,The2,materialcontainedhereinisproprietaryandconfidential012ConceptsETI,Inc.Allrightsreserved.,2,1,Operatingpointat4000rpm,Operatingpointfrom1400to2000rpm,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,22,Engineperformancecompare,Maxtorque240Nm1500rpm(38BMEP)Achievedmaxtorque1750rpmMaxpower140hp4500rpm(103kW/liters)Achieved130hpat4000rpmPositivescavengingrequiredonallspeedsYES,Thematerialcontainedhereinisproprietaryandconfidential2012ConceptsETI,Inc.Allrightsreserved.,23,Turbodesign3DviewfromAxCent,Thematerialcontainedhereinispro
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- 使用Concepts NREC软件进行涡轮增压器系列化设计. 使用 Concepts NREC 软件 进行 涡轮 增压 系列化 设计