A Theory of Lubrication by Microirregularities

[+] Author and Article Information
D. B. Hamilton, J. A. Walowit, C. M. Allen

Battelle Memorial Institute, Columbus, Ohio

J. Basic Eng 88(1), 177-185 (Mar 01, 1966) (9 pages) doi:10.1115/1.3645799 History: Received July 09, 1965; Online November 03, 2011


This paper describes a theory of liquid lubrication applicable to parallel surfaces, such as the surfaces of a rotary-shaft face seal. The lubrication mechanism presented is based on surface microirregularities and associated film cavities. Closed-form analytical solutions are obtained giving load capacity as a function of speed, viscosity, and surface-asperity dimensions. The theoretical results agree qualitatively with load capacity determined experimentally for three asperity distributions.

Copyright © 1966 by ASME
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