Re-Examination of Film Rupture Boundary Condition in Hydrodynamic Lubrication Under Inertia Effect

[+] Author and Article Information
A. Mori

Faculty of Engineering, Kansai University, Suita, Osaka 564, Japan

H. Mori

Faculty of Engineering, Setsunan University, Neyagawa, Osaka 572, Japan

J. Tribol 113(3), 604-608 (Jul 01, 1991) (5 pages) doi:10.1115/1.2920666 History: Received March 19, 1990; Revised July 05, 1990; Online June 05, 2008


This paper presents discussions on the choice and handling of film rupture boundary conditions for the hydrodynamic lubrication under the effect of lubricant inertia forces. Many researchers have analyzed this inertia effect in converging-diverging hydrodynamic wedge and squeeze films without careful consideration of the problem caused by the film rupture boundary conditions used. To reveal the importance of the problem, the marked difference in pressure distribution produced by the difference in boundary conditions is presented for an infinitely long, steadily loaded, cylindrical journal bearing.

Copyright © 1991 by The American Society of Mechanical Engineers
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