On Slip Flow Considerations in Gas-Lubricated Porous Bearings

[+] Author and Article Information
M. Malik, Cz. M. Rodkiewicz

Department of Mechanical Engineering, The University of Alberta, Edmonton, Alberta, Canada T6G 2G8

J. Tribol 106(4), 484-491 (Oct 01, 1984) (8 pages) doi:10.1115/1.3260969 History: Received April 28, 1982; Online October 29, 2009


A modified form of Reynolds equation is derived for the compressible lubrication of porous bearings. The analysis takes into account two kinds of nonadherence conditions on the sliding surfaces, namely, the slip flow under the influence of molecular mean free path and the slip flow at gas film-porous shell interface. Numerical results are presented to illustrate the relative effects of the two kinds of slip flow conditions on static characteristics of self acting journal bearings.

Copyright © 1984 by ASME
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