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TECHNICAL BRIEFS

Lift Fluctuations Associated With Unsteady Chordwise Flow Past an Airfoil

[+] Author and Article Information
C. L. Morfey

Institute of Sound and Vibration Research, The University, Southampton SO9 5NH, England

J. Basic Eng 92(3), 663-665 (Sep 01, 1970) (3 pages) doi:10.1115/1.3425098 History: Received January 20, 1970; Online October 27, 2010

Abstract

A simple theory is given for unsteady lift on a flat-plate airfoil due to chordwise velocity perturbations. Horlock’s theory for a frozen gust pattern convected at the free-stream velocity is included as a special case, and a distinction is drawn between streamwise and chordwise velocity perturbations.

Copyright © 1970 by ASME
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