Typical Performance Characteristics of Gas Turbine Radial Compressors

[+] Author and Article Information
Colin Rodgers

SOLAR, A Subsidiary of International Harvester Company, San Diego, Calif.

J. Eng. Power 86(2), 161-170 (Apr 01, 1964) (10 pages) doi:10.1115/1.3677568 History: Received December 04, 1962; Online January 10, 2012


If the peak impeller and diffuser efficiencies are prescribed, it is found that the characteristics of high-speed radial compressors with straight radial blades are basically functions of the inducer and diffuser throat areas. Estimated characteristics for twenty-seven compressor geometries are presented to indicate the effects of inducer blade angle, diffuser throat to impeller inlet area ratio, and impeller tip to inducer RMS diameter ratio. The probable location of compressor surge as influenced by inducer and diffuser blade stalling is discussed, and comparisons of estimated and test compressor characteristics are given.

Copyright © 1964 by ASME
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