Inlet Flow Angle Determination of Transonic Compressor Cascades

[+] Author and Article Information
W. Steinert, R. Fuchs, H. Starken

Deutsche Forschungsanstalt für Luft-und Raumfahrt e.V., Institut für Antriebstechnik, 5000 Köln 90, Federal Republic of Germany

J. Turbomach 114(3), 487-493 (Jul 01, 1992) (7 pages) doi:10.1115/1.2929169 History: Received March 04, 1991; Online June 09, 2008


Tests of transonic compressor cascades require special measuring techniques to determine the inlet flow angle around sonic inlet flow conditions. One of the main requirements for these methods is the ability to adjust the inlet flow angle during the test to a prescribed value. A method has been successfully applied that relies on theoretically determined suction surface velocities. The described method was applied in testing cascades at inlet Mack numbers between M1 = 0.75−1.18. The test results confirmed the practicability of this method.

Copyright © 1992 by The American Society of Mechanical Engineers
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