Stability of a Rigid Rotor Supported on Rough Oil Journal Bearings

[+] Author and Article Information
B. C. Majumdar, M. K. Ghosh

Mechanical Engineering Department, Indian Institute of Technology, Kharagpur, India

J. Tribol 112(1), 73-77 (Jan 01, 1990) (5 pages) doi:10.1115/1.2920233 History: Received December 09, 1988; Online June 05, 2008


This investigation deals with the stability of rigid rotors supported on finite rough oil journal bearings using perturbation method. The effect of various surface roughness parameters, viz., composite surface roughness, roughness orientation pattern and variance ratio on the stability has been studied. In general, surface roughness effect when incorporated into the analysis does not show a significant change in the stability for surfaces having same roughness structure. However, the effect of variance ratio (i.e., surfaces having different roughness structure) on stability is quite marked.

Copyright © 1990 by The American Society of Mechanical Engineers
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