船用齿轮基于三维线接触混合润滑模型摩擦以及闪温预测（英文）-豆柴文库

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船用齿轮基于三维线接触混合润滑模型摩擦以及闪温预测（英文）
Title:FrictionandFlashTemperaturePredictionbasedon3DLineContactMixedLubricationModelforMarineGears
Abstract:
Marinegearsplayacrucialroleintransmittingpowerandfacilitatingmovementinships.Efficientlubricationofgearsisessentialtominimizewear,friction,andpreventcatastrophicfailures.Inthispaper,weinvestigatethefrictionandflashtemperaturepredictionformarinegearsbasedonathree-dimensionallinecontactmixedlubricationmodel.Byunderstandingthephenomenathatoccurduringgearoperation,wecanoptimizethegeardesignandlubricationsystemtoenhanceoverallperformanceandreliability.
1.Introduction
Theperformanceandlongevityofmarinegearsareheavilydependentontheefficiencyoftheirlubricationsystem.Gearfailurescanleadtocostlyrepairs,downtime,andevenjeopardizethesafetyofthevesselandcrew.Therefore,itisessentialtounderstandthefrictionandlubricationcharacteristicsofmarinegearstodesigneffectivesystemsandpredictflashtemperaturesaccurately.
2.LiteratureReview
Thissectionreviewspreviousworksongearlubricationandheatgeneration.Studiesrelatedtogeartribology,mixedlubrication,flashtemperatureprediction,andrelevantexperimentalandnumericalmethodsareexamined.Thereviewprovidesinsightsintothecurrentstateofresearchandidentifiesgapsforfurtherexploration.
3.GearFrictionandLubricationAnalysis
Thissectiondescribesthethree-dimensionallinecontactmixedlubricationmodelformarinegears.Themodelincorporateskeyparameterssuchasgeargeometry,operatingconditions,lubricantproperties,andsurfaceroughness.Thefundamentalequationsgoverningthefrictionalbehaviorandlubricationregimetransitionarepresented.Numericalmethodsforsolvingtheequationsandobtainingfrictionvaluesarediscussed.
4.FlashTemperaturePrediction
Flashtemperatureisacriticalparameterthatdeterminestheriskoflubricantoxidation,degradation,andgearfailure.Thissectionfocusesonpredictingflashtemperatureusingthethree-dimensionallinecontactmixedlubricationmodel.Theeffectsofvariousfactorssuchasslidingvelocity,load,lubricantviscosity,andheattransfercoefficientsar