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RESEARCH PAPERS

A Simple Approach to Evaluate Non-Newtonian Viscosity Effects in a Lubricating System

[+] Author and Article Information
Patrick Bourgin

Ecole Centrale de Lyon, BP 163, 69131 Ecully Cedex, France

Joseph-Marc Francois

UniversiteĢ Claude Bernard, 69622 Villeurbanne Cedex, France

J. Tribol 109(1), 177-182 (Jan 01, 1987) (6 pages) doi:10.1115/1.3261314 History: Received March 10, 1986; Online October 29, 2009

Abstract

The working characteristics of a finite width slider bearing lubricated by a non-Newtonian fluid are computed. The analysis proposed here allows its performances to be evaluated by means of a pocket calculator. For that purpose, a computer code based on a finite element method is used. The program runs for different values of pertinent kinematical, geometrical and rheological parameters. The corresponding results are fitted by means of adequate analytical formulas, which are very easy to handle. The accuracy of these empirical formulas is investigated in several typical cases. The agreement with the numerical solution is proven to be satisfactory.

Copyright Ā© 1987 by ASME
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