Theory of Viscoplastic Lubrication: Part 1—Basic Relationships

[+] Author and Article Information
X. B. Huang, W. R. D. Wilson

Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208

J. Tribol 114(3), 469-476 (Jul 01, 1992) (8 pages) doi:10.1115/1.2920907 History: Received February 05, 1991; Revised July 01, 1991; Online June 05, 2008


Basic flow relationships are developed for three typical non-Newtonian lubricant models: the pseudo-plastic model, the circular viscoplastic model, and the ideal viscoplastic model. It is found that the conventional no-slip boundary conditions are inadequate to fully treat the latter two models. Conclusions regarding the appropriate boundary conditions for any viscoplastic model and the form of the resulting Reynolds equations are presented.

Copyright © 1992 by The American Society of Mechanical Engineers
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