A Note on Film Rupture in Hydrodynamic Lubrication

[+] Author and Article Information
Terukazu Ota

Department of Mechanical Engineering, Tohoku University, Sendai 980, Japan

J. Tribol 109(3), 562-566 (Jul 01, 1987) (5 pages) doi:10.1115/1.3261506 History: Received November 04, 1985; Online October 29, 2009


A theoretical and experimental study has been made for a film repture in hydrodynamic lubrication. A model is proposed on boundary conditions at the film rupture point. It contains a pressure correction term as a parameter, which simplifies that derived by Coyne and Elrod, and the so-called separation boundary condition. Some experiments have been conducted for a flow in a cylinder-plane geometry. It is found that numerical results using the present model agree reasonably well with the present and previous experimental data.

Copyright © 1987 by ASME
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