Isothermal Elastohydrodynamic Theory for the Full Range of Pressure-Viscosity Coefficient

[+] Author and Article Information
H. S. Cheng

Department of Mechanical Engineering and Astronautical Sciences, Northwestern University, Evanston, Ill.

J. of Lubrication Tech 94(1), 35-43 (Jan 01, 1972) (9 pages) doi:10.1115/1.3451632 History: Received March 31, 1971; Revised July 23, 1971; Online October 18, 2010


The isothermal, elastohydrodynamic (EHD) solutions in the inlet region of line contacts are extended to cover the full range of pressure-viscosity parameter, G, and the region of extremely heavy loads. The effect of a composite exponential model for the pressure-viscosity dependence on the film thickness is also studied. Results of the film thickness are compared with those based on work by Grubin, Dowson-Higginson, Bell and Kannel, and Herrebrugh. Comparison is also made between the theoretical results with the recently obtained X-ray film thickness measurements.

Copyright © 1972 by ASME
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