An Improved Analytical Solution for Self-Acting, Gas-Lubricated Journal Bearings of Finite Length

[+] Author and Article Information
J. S. Ausman

Physical Analysis Unit, Autonetics, Division of North American Aviation, Inc., Downey, Calif.

J. Basic Eng 83(2), 188-192 (Jun 01, 1961) (5 pages) doi:10.1115/1.3658920 History: Received July 07, 1960; Online November 04, 2011


An improved analytical solution designated the “linearized ph” solution is obtained for gas-lubricated journal bearings of finite length. Whereas the older first-order perturbation solution is useful for small eccentricity ratios (ε < 1/2 ), the linearized ph solution may be used for high eccentricity ratios. As such it permits estimation of ultimate bearing load capacity. The linearized ph solution is expressed in the form of simple corrections to the first-order perturbation solution, and as such can be computed quickly and easily.

Copyright © 1961 by ASME
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