Stall Margin Improvement by Casing Treatment—Its Mechanism and Effectiveness

[+] Author and Article Information
H. Takata

Department of Aeronautics, University of Tokyo, Bunkyo-ku, Tokyo

Y. Tsukuda

Takasago Machinery Works, Mitsubishi Heavy Industries, Takasago, Hyogo

J. Eng. Power 99(1), 121-133 (Jan 01, 1977) (13 pages) doi:10.1115/1.3446241 History: Received February 23, 1976; Online July 14, 2010


Experiments on the effect of casing treatment were carried out using low-speed axial-flow compressors. Results on the overall compressor performance and on the flow through the blade row as well as the flow within the treatment slots are presented. Then, based on the experiments, a possible mechanism of the stall margin improvement is suggested.

Copyright © 1977 by ASME
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