（机械制造行业）吉林大学机械学院本科毕业设计外文翻译格式本科生毕业设计（论文）翻译资料中文题目：配合新一代液力变矩器的柴油动力线的一些特性英文题目：some properties of a diesel driveline with hydrodynamic torque converters of thelastest generation学生姓名： 学号： 班级： 专业：机械工程及自动化指导教师： SomepropertiesofadieseldrivelinewithhydrodynamictorqueconvertersofthelatestgenerationAbstractDynamicpropertiesofadrivelinewithacontrolledDieselengine,hydrodynamictransmissionmechanism,additionalgearingandaloading-workingmachineproducingcommonmonoharmonicloadingareinvestigated.Solutionofthedynamicproblemisbasedonphenomenologicalexperimentaldata:drivingtorque-speedcharacteristicinthepartoftheprimemoverandso-calledexternalstaticcharacteristicinthehydrotransmissionpart.Thenon-lineartaskissolvedbyamodifiedharmonicbalancemethodthatwasdescribedinprecedingpublicationsbytheauthor.Keywords:Machinedriveline;ControlledDieseldrive;Hydrodynamictorqueconverter;Workingmachine;Periodicloading;StationarydynamicstateNomenclatureandabbreviationsa,b-Coulombandviscousnon-dimensionalfrictionlossesAi,Bi-coefficientsinmathematicalexpressionoftorque-speedcharacteristici,im-kinematictransmission,supplementarygearingtransmissionratioI,Iz-meanreducedmomentofinertiaindrivingandloadingpartk,kK-tangentslopesof(i)andK(i)curvesrespectivelyK-momenttransmissionM-Diesel-enginemomentMD(,z)-controlledtorque-speeddrivingcharacteristicMDmax(),MDmin()-torque-speedcharacteristicformaximalandminimalfuelsupplyM1,(),M2,()-pumploadingmomentandturbinedrivingmomentMT1,MT2-frictionlossmomentindrivingandloadingpartMz,Mza-meanvalueandamplitudeofloadingmoment-hydrodynamicconvertercharacteristicradiust-timeT,TD-WattregulatorandDiesel-enginetimeconstantu,z-gasleverandregulatordisplacementw-commondynamicvariable-regulatorstructuralparameter-regulatordampingratio-coefficientofrotationmoment-loadingangularvelocity,-indexdenotingmeanvalueandperiodicalcomponent-hydraulicmediumdensity-rotationangle1,(),2-pumpandturbineangularvelocityDM-Diesel-engineG,GD-additionalandWatt-regulatorgearingHdPT-hydrodynamicpowertransmissionIJ-InjectorLM-loadingmechanism(workingmachine)P,R,T-pump,reactor,turbineArticleOutlineNomenclature1.Introduction2.Mathematicalmodelofthesystem3.Stationarydynamicsolutionatmonoharmonicloading4.Resultsevaluationandconcludingremarks1.IntroductionDynamicpropertiesofadriveline(actuatingunit)consistingofacontrolledDieselengine(DM),hydrodynamicpowertransmissionsystem(HdPT),additionalgearing(G)andaloadingmechanism(LM)orworkingmachineareinvestigated.Theworkingmachineloadstheprimemoverandthetransmissionswithaprescribedmoment.AsimpleidealisedschematiclayoutofthecompletesystemisgiveninFig.1.TheconsideredDieselengineisastandardproduction:ZETOR8002.1controlledbyamechanical(Watts)orelectronicregulatorRDgoverningfuelinjectorIJ.IntheplaceofthehydrodynamicpowertransmissiontherearegraduallyappliedhydrodynamictorqueconvertersofthelatestgenerationthathavebeenprojectedandtestedinWUSAM(ResearchandProjectingInstituteofMachinesandMechanisms),j.s.c.Zvolen,Slovakia.Theseconvertersrepresentathreecomponentassemblycomposedofarotationalpump(P),turbine(T)andareactor(R)thatmayrevolveinonedirectionasafreewheel.Advantageoftheseconvertersisthefactthattheirexternaldimensionsandthedimensionsoftheirindividualcomponentsareidenticalandtheymaybemutuallychangedandarbitrarilycombinedinordertoreachdemandedproperties.Theydifferonlybyinternalconfigurationandbladegeometry.Accordingto1uptonowmorethan70varioustypeshavebeenexperimentallytestedandfromthemtheoneshavebeenchosenthatoptimallyfulfilledrequiredproperties.Themechanicalsystemunderconsiderationrepresentsasophisticatedenergytransferchainfromasourceprimemovertoworkingmechanism.Becauseeveryrealdriveisoffinitepower,anyperiodicloadingalwaysevokesvibrationsofallthedynamicvariableseventhoughwesupposealltheconnectingshaftsandgearingsrigidandbacklashfree.Theinfluenceofdynamicloadingontheprimemovermaybejustcontrolledbyasuitablechoiceofthetorqueconverter.Fig.1.SchematiclayoutoftheDieseldriveline.Inthepaperinfluenceofconstantandperiodicloadingontimecourseofallthedynamicvariablesofthesystem(andparticularlyonthevariablesoftheprimemover)isinvestigatedatapplicationofsomeselectedtypesofhydrodynamictorqueconvertersofthelatestgeneration.Forfulfillingthistaskitisnecessarytocreateasuitablemathematicalmodelofthewholecombinedsystemandthenfinditsstationarysolutioncorrespondingtoarequiredloading.2.MathematicalmodelofthesystemAtthebeginningitisnecessarytoemphasizethatmathematicalmodellingofthedrivelineinquestionisbased,inourapproach,onknowledgeofthepublishedphenomenologicaldata:stationarytorque-speedcharacteristicoftheprimemoverandso-calledexternalstaticcharacteri