Analysis of the Stiffness and Damping of an Inherently Compensated, Multiple-Inlet, Circular Thrust Bearing

[+] Author and Article Information
A. K. Stiffler

Department of Mechanical Engineering, Mississippi State University, Mississippi

J. of Lubrication Tech 96(3), 329-336 (Jul 01, 1974) (8 pages) doi:10.1115/1.3451958 History: Received June 28, 1973; Online October 18, 2010


A circular thrust bearing with inherently compensated feedholes evenly distributed around an interior radius is analyzed. The feedhole boundary between the central disk region and exterior annular region is modeled as a line source. A periodic load disturbance is imposed on the bearing, and the dynamic pressure distribution is determined by small perturbations of the Reynolds equation. The solution is given in terms of Kelvin functions. Design curves are presented for the stiffness and damping as a function of squeeze number, external pressure, restrictor coefficient and feedhole location.

Copyright © 1974 by ASME
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