Abstract
The classical case in lubrication of two flat rectangular surfaces has been solved to account for the variable properties of the lubricant. The effect of varying viscosity and density with temperature has been taken into account by solving simultaneously the Reynolds Equation and the Energy Equation for a square pad (L/B = 1) with a digital computer. The case of two insulated plates is used; no heat conduction is allowed. The solutions are compared with the classical theory which assumes the lubricant to have constant properties. Curves showing the pressure and temperature distributions are presented. Design curves are given for the performance of fixed pad bearings, pivoted pad bearings with central pivots as well as optimum pivots, and parallel surfaces. A criterion for estimating the significance of heat effects is mentioned. Contributed to the American Society of Lubrication Engineers by the author.
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