Parched Elastohydrodynamic Lubrication

[+] Author and Article Information
E. Kingsbury

C. S. Draper Laboratory, Cambridge, Mass. 02139

J. Tribol 107(2), 229-232 (Apr 01, 1985) (4 pages) doi:10.1115/1.3261026 History: Received February 12, 1984; Online October 29, 2009


A parched subregime of elastohydrodynamic lubrication is proposed, lying between starved and mixed. Parched EHL is necessary to describe instrument ball bearing behavior, for example: long term transients in film thickness. A parched bearing has the least driving torque demand and best spin axis definition possible from any lubrication regime. Some measurements made in a 40 mm bore bearing show that parched operation is not limited to small bearings.

Copyright © 1985 by ASME
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