An analytical solution for the performance characteristics of a two-layer porous bearing, using the short-bearing approximation, is obtained. Results are presented which relate the eccentricity ratio and coefficient of friction as functions of load number for design variables of 0·0001, 0·001, 0·01, and 0·1 and for a ratio of the permeability of the outer layer to the inner layer of 20. A comparison is made between the performance of two-layer and conventional porous bearings.
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C. Cusano (1972) studied this question.
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