Review of the Concept of Dynamic Coefficients for Fluid Film Journal Bearings

[+] Author and Article Information
J. W. Lund

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

J. Tribol 109(1), 37-41 (Jan 01, 1987) (5 pages) doi:10.1115/1.3261324 History: Received March 14, 1986; Online October 29, 2009


The development of the concept of spring and damping coefficients for journal bearings is briefly reviewed. Methods for computing the coefficients are described, and their use in rotor dynamics calculations (unbalance response, stability) is discussed. The limitations imposed by nonlinearities on the application of the coefficients is illustrated by examples.

Copyright © 1987 by ASME
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