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RESEARCH PAPERS

A Non-Newtonian TEHL Analysis of Tilting-Pad Bearings Subjected to Inlet Pressure Build-Up

[+] Author and Article Information
C. M. Rodkiewicz

Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G8

P. Yang

Department of Mechanical Engineering, Qingdao Institute of Architecture and Engineering, Qingdao, P.R. China 266033

J. Tribol 117(3), 461-467 (Jul 01, 1995) (7 pages) doi:10.1115/1.2831276 History: Received March 08, 1993; Revised June 10, 1994; Online January 24, 2008

Abstract

The characteristics of the infinitely wide tilting pad bearings operating under thermal elastohydrodynamic lubrication (TEHL) condition were investigated theoretically. The power-law rheological model was chosen to describe the non-Newtonian flow of the lubricant. An iterative procedure was developed to determine the shear stresses as well as the equivalent viscosity within the oil film. The analysis considers, simultaneously or individually, the following affecting factors: generation and transfer of heat, elastic and thermo-elastic deformations of bearing components due to pressure and temperature, and the inlet pressure build-up. The results were presented and discussed in terms of the applicable non-dimensional parameters.

Copyright © 1995 by The American Society of Mechanical Engineers
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