Abstract
Externally pressurized porous journal gas bearing with solid sleeve parts, which may reduce the effects of waviness and roughness of the porous media, is introduced in this paper. The flow-model as used in the first report is also applied to this bearing so that the flow in the porous bushing may be analyzed theoretically by using the concepts of equivalent clearance and effective restricting lengths, yielding the perturbation solutions for pressure distribution. Then, the load capacity and the flow rate of the bearing are investigated by calculating the theoretical solutions, with the result that the optimum conditions of the design parameters are given for this type of the porous journal bearing.
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