Stability of Rough Journal Bearings Using Nonlinear Transient Method

[+] Author and Article Information
J. Ramesh, B. C. Majumdar

Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur 721302, India

J. Tribol 117(4), 691-695 (Oct 01, 1995) (5 pages) doi:10.1115/1.2831538 History: Received June 17, 1993; Revised April 03, 1995; Online January 24, 2008


The stability of rigid rotors supported on finite oil rough journal bearings has been investigated using nonlinear transient method. The effect of various surface roughness parameters, viz., composite surface roughness, roughness orientation pattern, variance ratio on the stability is presented in the form of journal center trajectories. Although the stability is affected marginally with the increase in composite roughness, the variation is quite significant when the shear flow factor comes into the picture.

Copyright © 1995 by The American Society of Mechanical Engineers
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