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RESEARCH PAPERS

Calculation of the Dynamic Coefficients of a Journal Bearing, Using a Variational Approach

[+] Author and Article Information
P. Klit

Department of Machine Design, The Engineering Academy of Denmark, 2800 Lyngby, Denmark

J. W. Lund

Department of Machine Elements, The Technical University of Denmark, 2800 Lyngby, Denmark

J. Tribol 108(3), 421-424 (Jul 01, 1986) (4 pages) doi:10.1115/1.3261223 History: Received December 01, 1983; Online October 29, 2009

Abstract

The dynamic bearing coefficients are obtained from a solution to the variational equivalent of Reynolds equation. A perturbation method is applied to find the individual dynamic coefficients. The Finite Element Method is used in the numerical evaluation of the equations. The flow is assumed to be laminar, the lubricant is Newtonian. Allowance is made for viscosity-temperature dependency in circumferential and axial directions.

Copyright © 1986 by ASME
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