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RESEARCH PAPERS

A Thermohydrodynamic Analysis of Large Tilting-Pad Journal Bearing in Laminar and Turbulent Flow Regimes With Mixing

[+] Author and Article Information
S. Taniguchi, T. Makino

Nagasaki R&D Center, Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan

K. Takeshita

Takasago R&D Center, Mitsubishi Heavy Industries, Ltd., Takasago, Hyogo, Japan

T. Ichimura

Takasago Machinery Works, Mitsubishi Heavy Industries, Ltd., Takasago, Hyogo, Japan

J. Tribol 112(3), 542-548 (Jul 01, 1990) (7 pages) doi:10.1115/1.2920291 History: Received February 24, 1989; Online June 05, 2008

Abstract

This paper describes a thermohydrodynamic analysis of the 19 in. diameter tilting-pad journal bearing for steam turbine in comparison with experimental data. The three-dimensional thermohydrodynamic analysis is performed in both laminar and turbulent flow regimes considering mixing inlet temperature. The linearized turbulent flow model derived by Ng and Pan (1965) is applied. Generally good agreement is obtained for bearing surface temperatures, frictional losses, and minimum film thicknesses between the theoretical and experimental results.

Copyright © 1990 by The American Society of Mechanical Engineers
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