New Formulation for Lubrication With Non-Newtonian Fluids

[+] Author and Article Information
B. Najji

Ecole Nationale de L’industrie Minérale, Rabat, Maroc

B. Bou-Said, D. Berthe

I.N.S.A.—Laboratoire de Mécanique des contacts, Bt 113, 69621 Villeurbanne Cedex, U.A. CNRS Nº856, Lyon, France

J. Tribol 111(1), 29-34 (Jan 01, 1989) (6 pages) doi:10.1115/1.3261875 History: Received June 09, 1987; Online October 29, 2009


A global method for the solution of thermohydrodynamic problems is proposed for the analysis of lubricated contacts with non-newtonian fluids. A set of algebraic equations is obtained after introducing the weak form of the energy equation and a modified generalized equation for thin fluid flows. This last equation represents a new formulation for lubrication with non-newtonian fluids. The establishment of this equation is presented below along with several tests including explicit and implicit rheological laws with some comments on the effect of the different parameters which occur in the study.

Copyright © 1989 by ASME
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