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TECHNICAL PAPERS

Computational Evaluation of the Periodic Performance of a NACA 0012 Fitted With a Gurney Flap

[+] Author and Article Information
James C. Date, Stephen R. Turnock

School of Engineering Sciences, Fluid Structure Interactions Research Group, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom

J. Fluids Eng 124(1), 227-234 (Sep 13, 2001) (8 pages) doi:10.1115/1.1427927 History: Received December 08, 2000; Revised September 13, 2001
Copyright © 2002 by ASME
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References

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Jeffrey, D. R. M., 1998, “An Investigation into the Aerodynamics of Gurney Flaps,” Ph.D. thesis, University of Southampton, Southampton, U.K., Mar.
Jeffrey,  D. R. M., Zhang,  X., and Hurst,  D. W., 2000, “Aerodynamics of Gurney flaps on a single-element high-lift wing,” J. Aircr., 37(2), pp. 295–302.
Jeffrey,  D. R. M., Zhang,  X., and Hurst,  D. W., 2001, “Some Aspects of the Aerodynamics of Gurney Flaps on a Double-Element Wing,” ASME J. Fluids Eng., 123, , Mar., pp. 99–104.
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Figures

Grahic Jump Location
Four percent Gurney, fine grid (Grid 4)
Grahic Jump Location
Four percent Gurney, coarse grid (Grid 1) streamlines
Grahic Jump Location
Four percent Gurney, fine grid (Grid 4) streamlines
Grahic Jump Location
Four percent Gurney, experimental streamlines, Jeffrey 4
Grahic Jump Location
Four percent Gurney quasi-steady cl and cd convergence history
Grahic Jump Location
Four percent Gurney quasi-steady cl,cd Vs α
Grahic Jump Location
Four percent Gurney quasi-steady Cp distribution, α=10 deg
Grahic Jump Location
Two and four percent Gurney quasi-steady cl,cd Vs α
Grahic Jump Location
Four percent Gurney periodic force evolution, Δt=0.000025
Grahic Jump Location
Four percent Gurney periodic response over two cycles
Grahic Jump Location
Four percent Gurney quasi-steady and periodic time-averaged cl,cd vs α

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