On The Fluid-Solid Interaction in Reference to Thermoelastohydrodynamic Analysis of Journal Bearings

[+] Author and Article Information
M. M. Khonsari, S. H. Wang

Department of Mechanical Engineering, University of Pittsburgh, Pittsburgh, PA 15261

J. Tribol 113(2), 398-404 (Apr 01, 1991) (7 pages) doi:10.1115/1.2920635 History: Received August 03, 1989; Revised May 18, 1990; Online June 05, 2008


Thermohydrodynamic analysis of journal bearings is extended to include provisions for the shaft thermal dilation as well as the bush thermoelastic deformation. Numerical solutions using a combination of the finite difference and finite element methods are presented. Comparison of the simulation results with those obtained experimentally yielded satisfactory agreement. It was found that while the shaft and bush thermal expansion and the bush elastic deformation are individually important, the collective effect of these factors must be considered for meaningful end results.

Copyright © 1991 by The American Society of Mechanical Engineers
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