The classical hydrodynamic theory of fluid film lubrication as described by Reynolds’ equation assumes isothermal conditions in the film. Such conditions may never exist in many engineering applications. A common practice is to calculate bearing performance with isothermal conditions at an average film temperature. This paper presents results on the load-carrying capacity of the film when thermal homogeneity does not exist. An empirical procedure is proposed for the prediction of the thermohydrodynamic behavior of the film. A hysteresis-type phenomenon in the pressure-temperature relationship is also observed.
Thermohydrodynamic Phenomena in Fluid Film Lubrication
Department of Mechanical Engineering, University of Wisconsin, Madison, Wisc.
Mechanical Research Department, GM Research Laboratories, Warren, Mich.
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Seireg, A., and Ezzat, H. (April 1, 1973). "Thermohydrodynamic Phenomena in Fluid Film Lubrication." ASME. J. of Lubrication Tech. April 1973; 95(2): 187–194. https://doi.org/10.1115/1.3451767
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