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TECHNICAL PAPERS

Some Aspects of the Aerodynamics of Gurney Flaps on a Double-Element Wing

[+] Author and Article Information
David Jeffrey, Xin Zhang

School of Engineering Sciences, University of Southampton, Southampton SO17 1BJ, United Kingdom

David W. Hurst

Department of Aerospace Engineering, Glasgow University, Glasgow, United Kingdom

J. Fluids Eng 123(1), 99-104 (Aug 28, 2000) (6 pages) doi:10.1115/1.1334376 History: Received February 03, 2000; Revised August 28, 2000
Copyright © 2001 by ASME
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References

Figures

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Double-element generic airfoil with 4 percent Gurney fitted at α=0 deg,δf=20 and 50 deg
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Forces: CL versus α. (a) δf=20 deg, (b) δf=50 deg.
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Forces: CD versus CL. (a) δf=20 deg, (b) δf=50 deg.
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Chordwise pressure at α=3 deg. (a) δf=20 deg, (b) δf=50 deg.
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Mean velocity vectors and streamlines at δf=20 deg and α=−5 deg: (a) clean wing and (b) 4 percent Gurney
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Turbulent kinetic energy (TKE) distribution at δf=20 deg and α=−5 deg, with 4 percent Gurney
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Mean velocity vectors and streamlines at δf=50 deg and α=−5 deg: (a) clean wing and (b) 4 percent Gurney
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Turbulent kinetic energy (TKE) distribution at δf=50 deg and α=−5 deg, with 4 percent Gurney

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