Perturbation Solutions for Gas-Lubricating Films

[+] Author and Article Information
W. A. Gross

Applied Mechanics, IBM Research Laboratory, San Jose, Calif.

E. C. Zachmanoglou

Department of Mathematics, University of California, Berkeley, Calif.

J. Basic Eng 83(2), 139-144 (Jun 01, 1961) (6 pages) doi:10.1115/1.3658904 History: Received August 05, 1960; Online November 04, 2011


Perturbation solutions for large and for small bearing numbers are developed and applied to steady, self-acting, infinitely long, journal and plane wedge films. Bearing films of this type develop load capacity as a consequence of relative surface motion. The solutions given here have validity for all ranges of geometrical parameters. Four-place accuracy in determining the load carried by a journal bearing is achieved. The plane wedge film solution for large bearing numbers is complicated by the reduction in order of the limiting equation. A boundary-layer type analysis yields fairly accurate results.

Copyright © 1961 by ASME
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