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20141009010000.0 |
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040527s1970 dcua bt f000 0 eng d |
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‡asdr-uiuc6405304
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‡a(OCoLC)249597047
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‡aGyGoGBV
‡erakwb
‡bger
‡cGBVCP
‡dFER
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‡aUIUU
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‡aNAS 1.14:D-7031
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‡aTL672
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‡aHodder, Brent K.
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‡aAerodynamic characteristics of a large-scale model a lift fan mounted in a 5-percent-thick triangular wing, including the effects of BLC on the lift-fan inlet /
‡cBrent K. Hodder, Jerry V. Kirk, and Leo P. Hall.
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‡aWashington, DC :
‡bNational Aeronautics and Space Administration,
‡c1970.
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‡aiv, 52 p. :
‡bill. ;
‡c26 cm.
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‡aNASA technical note ;
‡vNASA TN D-7031
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‡a"A-2822."
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‡a"NASA TN D-7031."
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‡a"December 1970."
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‡aIncludes bibliographical references (p. 10).
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‡aThe low-speed aerodynamics of a large-scale triangular wing model, with a reduced thickness, tip-turbine driven lift fan in each wing were investigated in the Ames 40-by 80-Foot Wind Tunnel. The model had a 5-percent-thick wing typical of wings designed for supersonic performance.Conventional lift-fan depth has, in the past, limited wing thickness to about 10 percent. A thinner lift fan for the present investigation was obtained by modification of a conventional fan. The modification included removing the discharge stator and reducing the fan inlet length and radius. To control airflow separation resulting from small inlet radii, blowing boundary-layer control was applied through a nozzle in the inlet. Performance of the modified fan along with aerodynamic characteristics of the total configuration is presented. The static thrust performance of the conventional fan (requiring a lo-percent wing) was equalled by the reduced thickness fans of this investigation.--P. [i].
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‡aAlso available online in PDF from NASA Technical Reports Server Web site.
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‡aSponsored by the National Aeronautics and Space Administration (NASA); performed by the NASA Ames Research Center and the U.S. Army Air Mobility Research and Development Laboratory under
‡h721-01-00-05-00-21.
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‡aMode of access: Internet.
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‡aAerodynamics.
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‡aBoundary layer control.
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‡aFan-in-wing aircraft
‡xEvaluation.
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‡aHall, Leo P.
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‡aKirk, Jerry V.
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‡aUnited States.
‡bNational Aeronautics and Space Administration.
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‡aU.S. Army Air Mobility Research and Development Laboratory.
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‡aAmes Research Center.
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‡a011449852
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‡a20101111101116.0
‡b20141009010000.0
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‡a20141112165512.0
‡b2025-01-02T19:06:45Z
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‡a2025-01-02T18:30:02Z
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‡aSDR-UIUC
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‡lloader.pl-003-020
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‡0sdr-uiuc6405304
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‡rpd
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‡tUS fed doc
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