Research on the influencing factors of contact heat conduction between sliding rough surfaces
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Graphical Abstract
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Abstract
Thecontactheatconductionproblembetweentheroughslidingsurfaceswasstudiedthrough secondary development of finite element software ABAQUS*The thermal contact conductance was definedasafunctionoftheslidingspeed,thelocalcontactpressure,materialpropertiesandthesurface roughness,andtheeffeecsofthreedimensionlessparameterswerealsoanalyzed*Theresultsrevealthat reciprocatingmotionhasasignificantinfluenceoncontactheatconduction*Whenheatconductionbe⁃ tweenslidingsurfacesreachastablestape,thedimensionlessmeanheatfluxperunittimeincreases withtherisingdimensionlessparametersηandω ~,whichtheheatconductiondecreaseswiththereduc⁃ tionofthecontactpressureandthegrowthofthesurfaceroughness*Besides,thevariationsofthedi⁃mensionlessaveragetemperatureareconsistentwiththoseofthedimensionlessaverageheatflux*
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