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RESEARCH PAPERS

Instability of Oil Bearings Due to High Oil Viscosity

[+] Author and Article Information
Y. N. Chen

Sulzer Brothers, Ltd., Winterthur, Switzerland

J. Eng. Ind 89(4), 697-704 (Nov 01, 1967) (8 pages) doi:10.1115/1.3610137 History: Received December 01, 1966; Online August 25, 2011

Abstract

On a large turboblower running in oil bearings, it was found that the rotor became seriously unstable when the bearing oil temperature was low. It will be shown that this unstable vibration is due to the high bearing number effected by the high oil viscosity and its beating character is caused by the unequal elasticity of the bearing pedestals.

Copyright © 1967 by ASME
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