Investigations on Impulse Blade Cascades with Medium Deflection

[+] Author and Article Information
K. Bammert, B. Ahmadi

Institute for Turbomachinery and Gas Dynamics, University of Hannover, Federal Republic of Germany

J. Eng. Power 100(3), 432-438 (Jul 01, 1978) (7 pages) doi:10.1115/1.3446375 History: Received November 28, 1977; Online July 14, 2010


The transformation of energy in the stages of high-reaction axial compressors can be considerably increased if the rotor blading consists of tandem cascades. This also involves aerodynamically higher loading of the stator cascades deflecting the flow. The behavior of the base, mean, and tip sections impulse cascades of the stator of a multi-stage axial compressor designed on this basis was examined in a two-dimensional cascade wind tunnel. The results of these investigations are reported and discussed.

Copyright © 1978 by ASME
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