Research Papers

The Influence of the Molecular Mean Free Path on the Performance of Hydrodynamic Gas Lubricated Bearings

[+] Author and Article Information
Albert Burgdorfer

The Franklin Institute Laboratories, Philadelphia, Pa.

J. Basic Eng 81(1), 94-98 (Mar 01, 1959) (5 pages) doi:10.1115/1.4008375 History: Received July 15, 1958; Published March 01, 1959; Online February 20, 2019


A modified Reynolds equation is derived for gas-lubricated hydrodynamic bearings operating under “slip flow” conditions. Closed analytical solutions are given for a Rayleigh type step-bearing and an inclined plane slider bearing for the case of two-dimensional flow.

The influence of the molecular mean free path on the performance of bearings of arbitrary form is obtained by means of a small parameter, perturbation technique.

Copyright © 1959 by ASME
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