Effect of 90 Degree Flap on the Aerodynamics of a Two-Element Airfoil

[+] Author and Article Information
J. Katz, R. Largman

Department of Aerospace Engineering, SDSU, San Diego, CA 92182

J. Fluids Eng 111(1), 93-94 (Mar 01, 1989) (2 pages) doi:10.1115/1.3243605 History: Received July 21, 1987; Online October 26, 2009


The aerodynamic performance of a two-element airfoil with a 90 deg. trailing edge flap was experimentally investigated. The 5 percent-chord long flap, significantly increased the lift of the baseline airfoil, throughout a wide range of angles of attack. The maximum lift coefficient of the flapped wing increased too, whereas the lift/drag ratio decreased.

Copyright © 1989 by ASME
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