Three-Dimensional Thermoelastic Solutions of Thrust Bearings Using Code Marmac

[+] Author and Article Information
C. M. Ettles

Department of Mechanical Engineering, Aeronautical Engineering & Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590

H. G. Anderson

Mechanical Transmissions Branch, David Taylor R&D Center, Annapolis, MD 21402

J. Tribol 113(2), 405-412 (Apr 01, 1991) (8 pages) doi:10.1115/1.2920636 History: Received February 26, 1990; Revised July 11, 1990; Online June 05, 2008


The benefits of three-dimensional modeling of thrust bearings are described and illustrated with examples. Data are given for the convection coefficients on the back face of pads and attention is drawn to improvements in bearing performance given by reducing the thermal resistance of pads. The importance of pad support in large bearings is illustrated by a case study in which the size of the support disk is varied. Improved performance can be obtained if the disk is sized correctly. Further improvement is obtained if part of the disk support is cut away.

Copyright © 1991 by The American Society of Mechanical Engineers
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