Four Pad Tilting Pad Bearing Design and Application for Multistage Axial Compressors

[+] Author and Article Information
J. C. Nicholas, R. G. Kirk

Rotor Dynamics Analysis, Turbo Machinery Division, Ingersoll-Rand Company, Phillipsburg, N.J. 08865

J. of Lubrication Tech 104(4), 523-529 (Oct 01, 1982) (7 pages) doi:10.1115/1.3253278 History: Received February 16, 1981; Online November 13, 2009


The advantages of operating multistage axial compressors on 4 pad tilting pad bearings are discussed and compared to other fixed bore and tilting pad bearing designs. These advantages include operation free of subsynchronous vibration and, with between pivot loading, placement of peak response speeds well outside of the operating speed range. Examples of analytical design studies of 3 actual rotor systems are presented and discussed to illustrate the design recommendations. Test stand results are also included for 3 axial compressors to help substantiate the analytical results.

Copyright © 1982 by ASME
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