An Exploratory Study of Apex Fence Flaps on a 74 Deg Delta Wing PDF Download
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Category :
Languages : en
Pages : 34
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Author:
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ISBN:
Category :
Languages : en
Pages : 34
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781725633162
Category :
Languages : en
Pages : 34
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An exploratory wind tunnel investigation was performed to observe the flow field effects produced by vertically deployed apex fences on a planar 74 degree delta wing. The delta shaped fences, each comprising approximately 3.375 percent of the wing area, were affixed along the first 25 percent of the wing leading edge in symmetric as well as asymmetric (i.e., fence on one side only) arrangements. The vortex flow field was visualized at angles of attack from 0 to 20 degrees using helium bubble and oil flow techniques; upper surface pressures were also measured along spanwise rows. The results were used to construct a preliminary description of the vortex patterns and induced pressures associated with vertical apex fence deployment. The objective was to obtain an initial evaluation of the potential of apex fences as vortex devices for subsonic lift modulation as well as lateral directional control of delta wing aircraft. Wahls, R. A. and Vess, R. J. Unspecified Center NASA-CR-172463, NAS 1.26:172463 NCC1-46; RTOP 505-31-53-08...
Author:
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Category : Aeronautics
Languages : en
Pages : 1002
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Category : Aeronautics
Languages : en
Pages : 284
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Category : Government publications
Languages : en
Pages : 1094
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Category : Government publications
Languages : en
Pages : 1092
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 880
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Category : Government reports announcements & index
Languages : en
Pages : 974
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ISBN:
Category : Aeronautics
Languages : en
Pages : 614
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ISBN:
Category : Science
Languages : en
Pages : 1250
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