A Method of Friction Torque Measurement for a Hydrodynamic Thrust Bearing

[+] Author and Article Information
Leszek Dąbrowski, Michał Wasilczuk

Technical University of Gdańsk, Narutowicza 11/12, 80-952 Gdansk, Poland

J. Tribol 117(4), 674-678 (Oct 01, 1995) (5 pages) doi:10.1115/1.2831534 History: Received November 12, 1993; Revised February 01, 1995; Online January 24, 2008


Measurements of thrust bearing friction torque are difficult because of the small values of the friction force in comparison with the axial load. Another problem of a thrust bearing test rig design is the necessity of accommodation of the axial load so that it does not interact with the frictional forces. Separation of fluid drag in the housing from torque in the bearing itself is also important. An analysis of a design in which the above-mentioned problems have been solved is presented. Theoretical analysis and calibration of the torque meter proved that the effect of axial load was successfully compensated for. Example of the results obtained due to the torque meter illustrate the application of the new design.

Copyright © 1995 by The American Society of Mechanical Engineers
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