The Contribution of Fluid Film Inertia to the Thermohydrodynamic Lubrication of Sector-Pad Thrust Bearings

[+] Author and Article Information
Chung-Moon Chen, D. W. Dareing

University of Arkansas, Fayetteville, Ark.

J. of Lubrication Tech 98(1), 125-132 (Jan 01, 1976) (8 pages) doi:10.1115/1.3452745 History: Received October 08, 1975; Online October 20, 2010


This paper is concerned with the load carrying capacity of thermohydrodynamic lubricating films in sector pad thrust bearings; it combines the effects of the thermal wedge and fluid film inertia in one analysis. Particular emphasis is placed on fluid film inertia in a rotational fluid film analysis. The nonlinear partial differential equations are transformed into finite difference equations and a successive over-relaxation method is used to obtain numerical solutions to the equations using a digital computer. The convergence of iterations is accelerated by introducing a relaxation factor. The analysis shows that fluid film inertia significantly affects the loading capacity (or pressure distribution), and velocity profiles. Temperature variance caused by fluid film inertia is insignificant.

Copyright © 1976 by ASME
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