Design and Closed Loop Testing of High-Pressure Centrifugal Gas Compressors for the Suppression of Subsynchronous Vibration

[+] Author and Article Information
A. F. Criqui, P. G. Wendt

Solar Turbines International, An Operating Group of International Harvester, 2200 Pacific Highway, P.O. Box 80966, San Diego, CA 92138

J. Eng. Power 102(1), 136-140 (Jan 01, 1980) (5 pages) doi:10.1115/1.3230210 History: Received December 18, 1978; Online September 28, 2009


The causative phenomena of subsynchronous vibration, or re-excitation of the critical speed of a rotor, are discussed. Two rotor systems designed to control this type of vibration are presented. One system employs tuned, oil film damper bearings while the other features a stiffened rotor geometry. Stability thresholds of each design are compared based on high-pressure closed loop testing.

Copyright © 1980 by ASME
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