Nonlinear Effects in a Plain Journal Bearing: Part 2—Results

[+] Author and Article Information
M. J. Braun, F. K. Choy, Y. Hu

Department of Mechanical Engineering, University of Akron, Akron, Ohio 44325

J. Tribol 113(3), 563-570 (Jul 01, 1991) (8 pages) doi:10.1115/1.2920660 History: Received March 13, 1990; Revised July 03, 1990; Online June 05, 2008


Part 1 of this paper presented a numerical model that coupled the variable property Reynolds equation with a rotor dynamics model for the calculation of the nonlinear characteristics of a plain journal bearing working with a cryogenic fluid (LO2). Part 2 will present the numerical results yielded by the model that used (a) lubricant inlet temperature, (b) external load, (c) angular rotational speed, and (d) axial misalignment as input variables for the parametric study. The resulting pressure profiles and linear and nonlinear characteristics of the bearing are discussed and their inter-relationship is analyzed.

Copyright © 1991 by The American Society of Mechanical Engineers
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