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RESEARCH PAPERS

Lubrication With Binary Mixtures: Liquid-Liquid Emulsion

[+] Author and Article Information
A. Al-Sharif, K. Chamniprasart, K. R. Rajagopal, A. Z. Szeri

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

J. Tribol 115(1), 46-55 (Jan 01, 1993) (10 pages) doi:10.1115/1.2920985 History: Received August 29, 1991; Revised February 01, 1992; Online June 05, 2008

Abstract

There are numerous instances of technical importance in which multicomponent lubricants are utilized either by design or by necessity. In many of these cases one of the components is a liquid while the other component is a gas, as in squeeze film dampers during high frequency operation, or both components are liquids, as in the oil-water emulsion used in metal forming processes. In this paper our objective is to develop a self-consistent theory of hydrodynamic lubrication with bicomponent, liquid-liquid lubricants. The basic scientific method utilized is the continuum theory of mixtures. In this, first instance we test the model on journal bearings lubricated with water-in-oil and oil-in-water emulsions.

Copyright © 1993 by The American Society of Mechanical Engineers
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