资源描述：
《A Numerical Analysis for Piston Skirts in Mixed Lubrication—Part I Basic Modeling》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、DongZhu1ResearchAssociate.ANumericalAnalysisforPistonHerbertS.ChengProfessor.SkirtsinMixedLubrication-CenterforEngineeringTribology,NorthwesternUniversity,PartI:BasicModelingEvanston,III.60208Thispaperpresentsamathematicalmodelforpistonskirtsinmixedlubrication.ItTakayukiAraitakesintoaccounttheeffe
2、ctsofsurfacewaviness,roughness,pistonskirtsurfaceprofile,bulkelasticdeformationandthermaldistortionofbothpistonskirtsandResearchEngineer.cylinderboreonpistonmotion,lubricationandfriction.Thecorrespondingcom•puterprogramdevelopedcanbeusedtocalculatetheentirepistontrajectoryandKyugoHamaithehydrodyna
3、micandcontactfrictionforcesasfunctionsofcrackangleunderenginerunningconditions.Thispaperisthefirstpartofaseriesoftwopapers.ItProjectManager.givesbasicinformationandsomepreliminaryresults.Thesecondpartwillincludethemajorresultsanddiscussions,focusedontheinfluencesofelasticandthermalEngineandPowertr
4、ainResearchLaboratory,deformations.CentralEngineeringLaboratories,NissanMotorCompany,Yokosuka,237JapanIntroductionThepistoninareciprocatingengineundergoesoscillatorydrodynamicforcesduetolubricantfilmforaprescribedpistonmotionsinthecylinderborewhentheengineoperatesandthepositionandvelocitywerecompu
5、ted,butnoattemptwasmadepistonmovesupanddownalongtheaxisofthecylinder.Thesetocalculatethecontinuoustrajectoryofthepiston.Lateron,oscillatorymotionsareusuallysmallbutveryimportanttoacomprehensivenumericalanalysiswascontributedbyLietengineperformanceandreliability.Allthemajorconcernsinal.(1983).Itinc
6、orporatesthehydrodynamiclubricationmodeldesign,suchasfrictionalloss,oilandfuelconsumption,engineofthepistonskirtsandcomputestheentiretrajectoryofthenoiseandanti-wearlife,aresignificantlyrelatedtothemutualpistonandthefrictionasfunctionsofcrankangleunderenginedependencebetweenthepistonmotionandthelu
7、brication.Itrunningconditions.Mostrecently,anumericalstudyonpistoniscertainlyneeded,therefore,todevelopandimprovenu•slapwascarriedoutbySuzukietal.(1987),discussingthemericalanalysisforbetterunderstandingandreliab
