Application of a Mixed Lubrication Model for Hydrostatic Thrust Bearings of Hydraulic Equipment

[+] Author and Article Information
Toshiharu Kazama, Atsushi Yamaguchi

Department of Mechanical Engineering and Materials Science, Yokohama National University, Yokohama, 240, Japan

J. Tribol 115(4), 686-691 (Oct 01, 1993) (6 pages) doi:10.1115/1.2921694 History: Received March 30, 1992; Revised February 01, 1993; Online June 05, 2008


On mixed and fluid film lubrication the characteristics of hydrostatic bearings for hydraulic equipment are studied numerically. By applying a mixed lubrication model derived in a previous paper to the bearings, we clarify the effects of the surface roughness, eccentric or moment loads, supply pressure and speed of rotation on the friction, flow rate, and power losses. Introducing the concept of a ratio of hydrostatic balance, we show that the minimum power loss is given as the ratio becomes close to unity.

Copyright © 1993 by The American Society of Mechanical Engineers
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