Roughness Effects in Porous Circular Squeeze-Plates With Arbitrary Wall Thickness

[+] Author and Article Information
J. Prakash

Bundesanstalt für Materialprüfung, Unter den Eichen 87, 1000 Berlin 45

K. Tiwari

Department of Mathematics, Indian Institute of Technology, Powai, Bombay 400 076, India

J. of Lubrication Tech 105(1), 90-95 (Jan 01, 1983) (6 pages) doi:10.1115/1.3254554 History: Received August 18, 1981; Online November 13, 2009


The stochastic theory of hydrodynamic lubrication of rough surfaces is used to study the effect of surface roughness on the response of a squeeze film between two circular plates when one plate has a porous facing. An exact solution is given for the film pressure and pressure in the bearing matrix, valid for arbitrary wall thickness. The results are presented in tabular form and a comparison is made with an earlier approximate analysis to determine the range of influencing parameters for which the approximate solution is acceptable.

Copyright © 1983 by ASME
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