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Analysis of two-layered gas-lubricated porous bearings

Majumdar B. C., Kumar A.

International Journal of Applied Mechanics and Engineering

2002

Vol. 7, no 2

653-664

A theoretical estimate is made to evaluate performance characteristics in terms of steady state and stability of two-layered externally pressurized porous gas journal bearings. Assuming only radial flow in the porous medium and considering two-dimensional flow in the bearing clearance, basic equations are solved to find load capacity and stability margin. It has been observed that a two-layered bearing gives higher stability when compared with a single-layered one.