Lubrication Theory at Arbitrary Knudsen Number

[+] Author and Article Information
R. F. Gans

Department of Mechanical Engineering, University of Rochester, Rochester, NY 14627

J. Tribol 107(3), 431-433 (Jul 01, 1985) (3 pages) doi:10.1115/1.3261103 History: Received November 08, 1984; Online October 29, 2009


It is demonstrated that the slip flow Reynolds equations for ultra low clearance gas bearings can be derived from kinetic theory by an approximation scheme appropriate for arbitrary Knudsen numbers. Thus the usefulness of the slip flow Reynolds equation is extended to cases where it would not be expected to hold.

Copyright © 1985 by ASME
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