Experimental Investigation of Multistage Interaction Gust Aerodynamics

[+] 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 111(4), 409-417 (Oct 01, 1989) (9 pages) doi:10.1115/1.3262288 History: Received February 11, 1988; Online November 09, 2009


The fundamental flow physics of multistage blade row interactions are experimentally investigated at realistic reduced frequency values. Unique data are obtained that describe the fundamental unsteady aerodynamic interaction phenomena on the stator vanes of a three-stage axial flow research compressor. In these experiments, the effect on vane row unsteady aerodynamics of the following are investigated and quantified: (1) steady vane aerodynamic loading; (2) aerodynamic forcing function waveform, including both the chordwise and transverse gust components; (3) solidity; (4) potential interactions; and (5) isolated airfoil steady flow separation.

Copyright © 1989 by ASME
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