Experimental Rotor Unbalance Response Using Hydrostatic Gas Lubrication

[+] Author and Article Information
R. D. Dayton

Lubrication Branch, Air Force Aero Propulsion Laboratory, WPAFB, Ohio

M. R. Chasman

Robert P. Grey, Consulting Engineer, Inc., Athens, Ga.

J. of Lubrication Tech 95(4), 469-476 (Oct 01, 1973) (8 pages) doi:10.1115/1.3451858 History: Received June 29, 1972; Online October 18, 2010


This paper investigates the adequacy of the theoretical model in predicting the unbalance response of a rotor supported in hydrostatic gas-lubricated journal bearings. The magnitude of experimental whirl amplitudes induced by applying various unbalances to a rotor supported in hydrostatic journal bearings were measured and compared to the theoretical predictions. Variables investigated were rotor unbalance, rotor speed, and bearing supply pressure. Reasonable agreement between the experimental and theoretical results was obtained.

Copyright © 1973 by ASME
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