A Theoretical Investigation of the Multileaf Journal Bearing

[+] Author and Article Information
K. P. Oh, S. M. Rohde

Research Laboratories, General Motors Corporation, Warren, Mich.

J. Appl. Mech 43(2), 237-242 (Jun 01, 1976) (6 pages) doi:10.1115/1.3423816 History: Received March 01, 1975; Revised June 01, 1975; Online July 12, 2010


The finite-element method is used to solve the compressible Reynolds equation which governs the fluid flow between the journal surface and the leaves in a multileaf journal bearing. The solution obtained is then coupled with the load-deflection equations of the leaves to obtain such information as liftoff speed and minimum film thickness. In addition, the load-deflection equations yield the initial preload on the journal, the startup torque, the stiffness coefficients, and the equivalent damping coefficients. Such details as leaf curvature, friction between leaves, and between leaves and journal surface are considered in the load-deflection equations. Results are obtained for a wide range of operating parameters.

Copyright © 1976 by ASME
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