Pressure Spikes in Elastohydrodynamically Lubricated Conjunctions

[+] Author and Article Information
B. J. Hamrock, Ping Pan, Rong-Tsong Lee

The Ohio State University, Department of Mechanical Engineering, Columbus, Ohio 43210

J. Tribol 110(2), 279-284 (Apr 01, 1988) (6 pages) doi:10.1115/1.3261599 History: Received April 01, 1987; Online October 29, 2009


The film thickness, pressure, and flow in elastohydrodynamically lubricated conjunctions were calculated for a line contact. The main focus of the study was to get a better understanding of why a pressure spike exists in elastohydrodynamically lubricated conjunctions. Various combinations of viscous or isoviscous and compressible or incompressible situations were studied for a wide range of loads. The basic parameters were pressure, pressure gradient, film shape, and flow. It was found that the major factor causing the pressure spike to occur was the viscosity.

Copyright © 1988 by ASME
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