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RESEARCH PAPERS

Unsteady Aerodynamic Interactions in a Multistage Compressor

[+] Author and Article Information
V. R. Capece, S. Fleeter

Thermal Sciences and Propulsion Center, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Turbomach 109(3), 420-428 (Jul 01, 1987) (9 pages) doi:10.1115/1.3262122 History: Received February 17, 1987; Online November 09, 2009

Abstract

The fundamental flow physics of multistage blade row interactions is experimentally investigated, with unique data obtained which quantify the unsteady harmonic aerodynamic interaction phenomena. In particular, a series of experiments is performed in a three-stage axial flow research compressor over a range of operating and geometric conditions at high reduced frequency values. The multistage unsteady interaction effects of the following on each of the three vane rows are investigated: (1) the steady vane aerodynamic loading, (2) the waveform of the aerodynamic forcing function to each vane row, including both the chordwise and traverse gust components.

Copyright © 1987 by ASME
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