English: Title: A water tunnel study of Gurney flaps.
Abstract: "Several Gurney flap configurations were tested in the NASA Langley 16 x 24 inch Water Tunnel. These devices provided an increased region of attached flow on a wing upper surface relative to the wing without the flaps. The recirculation region behind the flap was visualized and shown to be consistent with hypotheses stated in previous research. Although the test Reynolds number for this study was several orders of magnitude below those in previous investigations, the effect of the Gurney flaps is in qualitative agreement with them. This is as would be expected from first order effects for high lift devices."
Fecha
Fuente
From Figure-1 in NASA Technical Memorandum 4071, which itself quotes Liebeck, Robert H.: Design of Subsonic Airfoils for High Lift. Journal of Aircraft, vol. 15, no. 9, Sept. 1978, pp. 547-561.
Autor
Neuhart, Dan H.; Pendergraft, Odis C., Jr. at Langley Research Center (NASA document)
Liebeck, Robert H (figure drawing).
Licencia
Public domainPublic domainfalsefalse
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2007-07-06 02:45 Dhaluza 724×236× (10117 bytes) From Figure-1 in [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19890004024_1989004024.pdf NASA Technical Memorandum 4071] Title: *A water tunnel study of Gurney flaps Author(s): *Neuhart, Dan H.; Pendergraft, Odis C., Jr. Abstract: *Several