Applicability of Axisymmetric Analysis in Predicting Supersonic Flow Through Annular Cascades

[+] Author and Article Information
Hans-Heiner Fruehauf

Institut für Raumfahrtantriebe, Universität Stuttgart, D 7000 Stuttgart 80, Pfaffenwaldring 31, West Germany

J. Eng. Power 99(1), 115-120 (Jan 01, 1977) (6 pages) doi:10.1115/1.3446239 History: Received January 06, 1976; Online July 14, 2010


Solutions of the differential equations of the axisymmetric model and circumferentially averaged solutions of the differential equations of the three-dimensional model are compared quantitatively for steady supersonic flows through rotating annular cascades. Thereby three-dimensional corrections for flow quantities, which determine the applicability of the axisymmetric analysis, are investigated as a function of geometrical and gas dynamical parameters. Finally, these three-dimensional corrections are compared to three-dimensional corrections for the solutions of the usual blade-to-blade model on cylindrical surfaces of revolution for identical annular cascades.

Copyright © 1977 by ASME
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