Load Support of Spherical Squeeze-Film Gas Bearings

[+] Author and Article Information
J. V. Beck

Mechanical Engineering Department, Michigan State University, East Lansing, Mich.

C. L. Strodtman

Lear Siegler, Inc., Grand Rapids, Mich.

J. of Lubrication Tech 91(1), 132-137 (Jan 01, 1969) (6 pages) doi:10.1115/1.3554845 History: Received March 11, 1968; Online August 23, 2011


The steady-state ph distribution and the load support capability for a squeeze-film bearing in the form of a sphere, or portions of a sphere, are given for two cases, (a) when the sphere pulsates radially and (b) when the sphere motion is along the polar axis. Both small parameter and finite-difference results are given for loads in the radial and polar directions. It is shown that considerably more load support in both the radial and the polar directions is developed when the sphere pulsates radially. It is further shown that the load support can be improved by removing a portion of the sphere near the pole, thus venting the bearing to the ambient pressure.

Copyright © 1969 by ASME
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