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Since 1978,theaverageflowlubricationmod el,i .e .Patir Chengequation[1] ,hasbeenwidelyusedinsolvingforthelubrication problemofabearingandthetribology systeminacylinder pis ton .However ,valuesoftheflowfactorsintheequation ,suchaspressureflowfactor ,aremeasuredonthebaseofroughness ,whichisvariablewithmeasuringscale .Since 1980s ,fractalgeometryhasgreatlydeveloped .Fractalistheintrinsicandglobalpropertiesofthematerialismwithfractalandinde pendentofameasuringscale .Also ,itwasverifiedthatsomemac… 相似文献
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