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RESEARCH PAPERS

Coupling of Turbomachine Blade Vibrations Through the Rotor

[+] Author and Article Information
J. T. Wagner

Westinghouse Electric Corporation, Lester, Pa.

J. Eng. Power 89(4), 502-512 (Oct 01, 1967) (11 pages) doi:10.1115/1.3616718 History: Received July 29, 1966; Online August 25, 2011

Abstract

The forced vibration response of subsystems with different natural frequencies and damping, attached to a foundation with finite stiffness or mass, is calculated. Analytical models include simulations of turbomachine blading on a flexible disk or on a rotor with finite mass. Coupling through the disk or rotor explains variations in resonant frequencies and amplitudes that have been observed in blade-vibration tests. Effects on damping measurements are also determined.

Copyright © 1967 by ASME
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