Compressor Surge in Gas Turbines and Blast Furnace Compressor Installations

[+] Author and Article Information
R. A. Strub, P. Suter

Turbomachinery Division, Sulzer Brothers Limited, Winterthur, Switzerland

J. Eng. Power 87(2), 193-196 (Apr 01, 1965) (4 pages) doi:10.1115/1.3678166 History: Received December 06, 1963; Online January 10, 2012


The character of different surge cycles is described, and the corresponding influence on the dynamic loading of the blades of axial flow compressors is discussed. It is shown that essentially fatigue is governed by the rapidity of loading or unloading of the blading. Test results from an experimental 4-stage axial flow compressor showed that the induced dynamic stresses in the blades, which reach about three times the steady gas bending stresses, can lead to fatigue failure. Reference is also made to previous surge tests carried out on a gas turbine installation, which indicate that a good correlation can be expected between the calculated and the measured pressure distribution. Mention is made of the fatigue failure of the rotor blades of an industrial compressor submitted to a long period of intense surging.

Copyright © 1965 by ASME
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