Investigation of Vortex Flaps and Other Flow Control Devices on Generic High-Speed Civil Transport Planforms PDF Download
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Author:
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Category :
Languages : en
Pages : 128
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721087426
Category :
Languages : en
Pages : 126
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A parametric cranked delta planform study has been conducted in the Langley 14- by 22-Foot Subsonic Tunnel with the following objectives: (1) to evaluate the vortex flap design methodology for cranked delta wings, (2) to determine the influence of leading-edge sweep and the outboard wing on vortex flap effectiveness, (3) to evaluate novel flow control concepts, and (4) to validate unstructured grid Euler computer code predictions with modeled vortex and trailing-edge flaps. Two families of cranked delta planforms were investigated. One family had constant aspect ratio, while the other had a constant nondimensional semispan location of the leading-edge break. The inboard leading-edge sweep of the planforms was varied between 68 deg., 71 deg., and 74 deg., while outboard leading-edge sweep was varied between 48 deg. and 61 deg. Vortex flaps for the different planforms were designed by an analytical vortex flap design method. The results indicate that the effectiveness of the vortex flaps was only slightly influenced by the variations in the parametric planforms. The unstructured grid Euler computer code was successfully used to model the configurations with vortex flaps. The vortex trap concept was successfully demonstrated. Kjerstad, Kevin J. and Campbell, Bryan A. and Gile, Brenda E. and Kemmerly, Guy T. Langley Research Center RTOP 537-03-22-02
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Category : Astronautics
Languages : en
Pages : 182
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 576
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Author:
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Category : Aeronautics
Languages : en
Pages : 836
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 636
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Author: National Research Council (U.S.). Committee on Aeronautical Technologies
Publisher:
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Category : Aeronautics
Languages : en
Pages : 21
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 940
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Author:
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ISBN:
Category :
Languages : en
Pages : 706
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 654
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