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RESEARCH PAPERS

Influence of Pressure Viscosity of Lubrication Oils on Pressure, Temperature, and Film Thickness in Elastohydrodynamic Rolling Contacts

[+] Author and Article Information
W. J. Bartz, J. Ehlert

Institute of Petroleum Research, Hannover, Germany

J. of Lubrication Tech 98(4), 500-507 (Oct 01, 1976) (8 pages) doi:10.1115/1.3452904 History: Received January 26, 1976; Online October 20, 2010

Abstract

Experimental investigations of pressures, temperatures, and film thicknesses in pure rolling elastohydrodynamic contacts have been made in a two-disk apparatus. Transducers for pressure, gap, and temperature measurements were applied by an evaporation technique. Measurements were made over a range of speeds, loads, and oil inlet temperatures with oils having various pressure-viscosity coefficients. The predicted film thicknesses and shape of the pressure profile (including the secondary pressure peak) agree well with the experimental observations as inlet viscosity, pressure viscosity coefficient, and load are varied.

Copyright © 1976 by ASME
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