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RESEARCH PAPERS

The Quasi-Steady Design of a Compressor or Pump Stage for Minimum Fluctuating Lift

[+] Author and Article Information
W. S. Gearhart, R. E. Henderson, J. F. McMahon

Ordnance Research Laboratory, The Pennsylvania State University, University Park, Pa.

J. H. Horlock

Cambridge University, Cambridge, England

J. Eng. Power 91(1), 31-36 (Jan 01, 1969) (6 pages) doi:10.1115/1.3574670 History: Received June 24, 1968; Online August 25, 2011

Abstract

This paper is intended for the designer of rotating turbomachinery who is concerned with the fluctuating forces generated in a turbomachine. The analysis presented is a quasi-steady analysis and its use is justified by a recent paper by Horlock. This analysis indicates that a time-dependent analysis and a quasi-steady analysis for the minimization of fluctuating lift on an isolated airfoil requires identical airfoil geometries. Assuming this agreement holds for a cascade of airfoils, this paper presents the cascade geometry required to minimize fluctuating lift as predicted by the quasi-steady analysis.

Copyright © 1969 by ASME
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