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RESEARCH PAPERS

Nonlinear Dynamics of Rotor/Blade/Casing Rub Interactions

[+] Author and Article Information
J. Padovan, F. K. Choy

Department of Mechanical Engineering, The University of Akron, Akron, OH 44325

J. Turbomach 109(4), 527-534 (Oct 01, 1987) (8 pages) doi:10.1115/1.3262143 History: Received February 26, 1986; Online November 09, 2009

Abstract

This paper considers the transient analysis of rub problems in high-speed rotating equipment that involve interactions between the rotor, blades, and casing. Special emphasis is given to ascertaining the participation characteristics of turbine/impeller blades during the overall rub event. To generalize the scope of the work, single and multiple blade rub events are considered including the effect of such system parameters as imbalance magnitude, blade/rotor stiffness, system damping, and rub interface friction characteristics.

Copyright © 1987 by ASME
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