A Full Numerical Solution for the Thermoelastohydrodynamic Problem in Elliptical Contacts

[+] Author and Article Information
Dong Zhu, Shi-zhu Wen

Precision Instrument Department, Tsinghua University, Beijing, People’s Republic of China

J. Tribol 106(2), 246-254 (Apr 01, 1984) (9 pages) doi:10.1115/1.3260895 History: Received April 19, 1983; Online October 29, 2009


In this paper a full numerical solution for the thermoelastohydrodynamic problem in elliptical contacts is presented, and the method of computation is also described. The film pressure, thickness, and film shape, the three dimensional temperature distribution within both the film and the bounding solids, as well as the coefficients of the sliding and rolling frictions have all been determined for different rolling velocities and slide-roll ratios. The results obtained indicate the film temperature increases as the rolling velocity or slide-roll ratio increases. The effects of thermal action on the pressure distribution, the film shape and thickness, and the friction factors are also given. The problem studied in this paper is steady-state, the lubricant is assumed to be Newtonian.

Copyright © 1984 by ASME
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