A Study of the Thermal Characteristics of the Leading Edge Groove and Conventional Tilting Pad Journal Bearings

[+] Author and Article Information
W. Dmochowski

Institute of Fluid Flow Machinery, Polish Academy of Sciences, 80-952 Gdansk, Poland

K. Brockwell

Tribology and Mechanics Laboratory, National Research Council, Vancouver, B.C., V6S 2L2 Canada

S. DeCamillo, A. Mikula

Kingsbury, Inc., Philadelphia, PA 19154

J. Tribol 115(2), 219-226 (Apr 01, 1993) (8 pages) doi:10.1115/1.2920995 History: Received February 26, 1992; Revised August 01, 1992; Online June 05, 2008


In this paper dealing with the tilting pad journal bearing, experimental results are presented which show that, at higher shaft speeds, the leading-edge-groove (LEG) design has significantly lower operating temperatures to those of the conventional design of tilting pad journal bearing. Subsequent theoretical analysis has shown that this reduction in pad operating temperature is the result of feeding cool oil directly to the leading edge of the pad. This has the effect of reducing the amount of hot oil carried over from one pad to the next.

Copyright © 1993 by The American Society of Mechanical Engineers
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