RESEARCH PAPERS: Papers From Symposium on Prediction of Centrifugal Compressor and Pump Stability and Surge

The Time Domain of Centrifugal Compressor and Pump Stability and Surge

[+] Author and Article Information
R. C. Dean, L. R. Young

Creare Incorporated, Hanover, New Hampshire

J. Fluids Eng 99(1), 53-59 (Mar 01, 1977) (7 pages) doi:10.1115/1.3448553 History: Received December 30, 1975; Online October 12, 2010


New evidence about the time domain operation of centrifugal compressors and pumps in compliant systems is presented. Data from Toyama [1,2] plus unpublished data from another compressor indicate that the flow rate oscillates continuously, at large amplitudes, when a compressor is operating in its supposedly stable regime. A tentative flow model predicts similar oscillations. The model assumes that the compressor operation at all times is described by its quasi-steady characteristic; no hysteresis or complex aerodynamic phenomena have been invoked.

Copyright © 1977 by ASME
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