A Full Numerical EHL Solution for Line Contacts Under Pure Rolling Condition With a Non-Newtonian Rheological Model

[+] Author and Article Information
S. H. Wang, D. Y. Hua, H. H. Zhang

Shanghai University of Technology, Shanghai, People’s Republic of China

J. Tribol 110(4), 583-586 (Oct 01, 1988) (4 pages) doi:10.1115/1.3261696 History: Received April 09, 1987; Online October 29, 2009


The rheological effects of lubricants and the surface deformation of disks are considered in the lubrication of line contacts. The lubrication equation for fluids obeying power law model has been derived. The lubrication equation and the elastic equation have been solved simultaneously within the contact zone by means of the Newton-tangent method. Pressure distributions and film profiles are obtained. The results of this paper show that with the increase of the power law exponent n, the oil film becomes thicker and the position of the cavitation point moves closer to the center of contact.

Copyright © 1988 by ASME
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