The Load Capacity of Short Journal Bearings With Oscillating Effective Speed

[+] Author and Article Information
B. K. Gupta

Motilal Nehru Regional Engineering College, Allahabad, U. P. India

R. M. Phelan

Sibley School of Mechanical Engineering, Cornell University, Ithaca, N. Y.

J. Basic Eng 86(2), 348-353 (Jun 01, 1964) (6 pages) doi:10.1115/1.3653077 History: Received March 01, 1963; Online November 03, 2011


The development of the Reynolds equation for the general case of dynamically loaded journal bearings is extended to include the concept of an effective speed that combines in one term the angular velocities of the journal, bearing, and load. Numerical solutions for the short-bearing approximation are presented for the case of an oscillating effective speed and a load that is constant or varying sinusoidally. Results are compared with available experimental data. The major conclusion is that for those cases involving an oscillating effective speed and a reversing load, the only significant contribution to load capacity comes from the squeeze film and the wedge film can safely be ignored when designing such bearings.

Copyright © 1964 by ASME
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