Experimental Rotor Unbalance Response Using Hydrodynamic Gas Lubrication

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

Midwest Research Institute, Wright-Patterson Air Force Base, Ohio

M. R. Chasman

Air Force Aero Propulsion Laboratory, Wright-Patterson Air Force Base, Ohio

J. of Lubrication Tech 94(1), 74-80 (Jan 01, 1972) (7 pages) doi:10.1115/1.3451639 History: Received March 22, 1971; Online October 18, 2010


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

Copyright © 1972 by ASME
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