Impact of a Lubricated Surface by a Sphere

[+] Author and Article Information
H. D. Conway

Dept. of Theoretical and Applied Mechanics, Cornell Univ., Ithaca, N. Y.; IBM Corp., Endlcott, N. Y.

H. C. Lee

IBM Corp., System Development Div., Endlcott, N. Y.

J. of Lubrication Tech 97(4), 613-615 (Oct 01, 1975) (3 pages) doi:10.1115/1.3452689 History: Received January 21, 1975; Online October 18, 2010


This paper presents an analysis of the impact between a sphere and a flat surface covered by an oil film. Pressure distributions are found as functions of time for oils whose viscosities are either constant or pressure-dependent. It is believed that the increase of oil viscosity with pressure is a main cause of the deep conical dents observed experimentally.

Copyright © 1975 by ASME
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