The Effects of Some Design Parameters of an Isolated Rotor on Inlet Flow Distortions

[+] Author and Article Information
A. M. Yocum, R. E. Henderson

Applied Research Laboratory, The Pennsylvania State University, Post Office Box 30, State College, PA 16801

J. Eng. Power 102(1), 178-186 (Jan 01, 1980) (9 pages) doi:10.1115/1.3230219 History: Received December 18, 1978; Online September 28, 2009


A study of the effects of rotor-blade geometry, steady loading, and distortion wavelength on the distortion flow field upstream and downstream of an unstalled isolated rotor shows that the attenuation of the distortion as it passes through the rotor is a function of the blade stagger angle and the distortion-reduced frequency or the ratio of rotor blade spacing to the distortion wavelength s/l . Maximum attenuation occurs when s/l = 0.5 and increases with increasing stagger angle. Little influence of rotor incidence angle or steady loading was observed.

Copyright © 1980 by ASME
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