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RESEARCH PAPERS

Thermal Analysis of Elastohydrodynamic Lubrication of Line Contacts Using the Ree-Eyring Fluid Model

[+] Author and Article Information
Shao Wang, C. Cusano

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, Ill. 61801

T. F. Conry

Department of General Engineering, University of Illinois at Urbana-Champaign, Urbana, Ill. 61801

J. Tribol. 113(2), 232-242 (Apr 01, 1991) (11 pages) doi:10.1115/1.2920611 History: Received February 26, 1990; Revised June 01, 1990; Online June 05, 2008

Abstract

A thermal Reynolds-Eyring equation is derived for elastohydrodynamic lubrication of line contacts. A control volume approach is used to analyze the inlet region where back-flow occurs. Numerical results are obtained and used to develop a formula for the thermal and non-Newtonian (Ree-Eyring) film thickness reduction factor. Results for maximum temperatures and traction coefficients are also presented. The pressure dependence of lubricant thermal conductivity is found to significantly affect the maximum lubricant temperature.

Copyright © 1991 by The American Society of Mechanical Engineers
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