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TECHNICAL BRIEFS

Reflections on Some Aspects of Lubrication of Concentrated Line Contacts

[+] Author and Article Information
P. H. Markho

Mechanical, Marine and Production Engineering Department, Liverpool Polytechnic, Liverpool, U.K.

D. B. Clegg

Mathematics Department, Liverpool Polytechnic, Liverpool, U.K.

J. of Lubrication Tech 101(4), 528-531 (Oct 01, 1979) (4 pages) doi:10.1115/1.3453408 History: Received May 18, 1979; Online October 20, 2010

Abstract

New formulas are presented for two important lubrication parameters of a flooded, concentrated line contact, namely the tangential pressure force component under elasto-hydrodynamic (EHD) conditions and the film thickness in the “intermediate” region defined by Dowson and Whitaker [1]. The latter region, which separates the rigid-isoviscous region from the elastic-piezoviscous (or EHD) region, has not, so far, been represented by an equation. The first formula was obtained simply by curve-fitting, using the method of least squares, from data largely available in the published literature; while the second is basically a third degree Hermite osculating polynomial with four end conditions.

Copyright © 1979 by ASME
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