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There are a total of 23 record(s) matching your query.
Sorted by: Date Added To NTRS in Ascending order
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Aerodynamic effects of five lift-fan pod arrangements on an unpowered V/STOL transport model
Author(s): Thomas, J. L.; Hoad, D. R.; Croom, D. R.
Abstract: An investigation was conducted in the Langley V/STOL tunnel to determine the effect of longitudinally oriented wing-mounted pods on the longitudinal and lateral aerodynamic characteristics in the cruise flight condition of a ...
NASA Center: Langley Research Center
Publication Year: 1973
Added to NTRS: 2004-11-03
Accession Number: 73N24035; Document ID: 19730015308; Report Number: L-8754, NASA-TN-D-7199
Wind-tunnel and flight evaluation of spoilers as trailing-vortex hazard alleviation devices
Author(s): Croom, D. R.
Abstract: This paper presents the results of ground-based and flight investigations that have been performed at NASA for the purpose of development of spoilers as trailing-vortex hazard alleviation devices. Based on the results ...
NASA Center: Langley Research Center
Publication Year: 1977
Added to NTRS: 2004-11-03
Accession Number: 77A19771; Document ID: 19770036919; Report Number: AIAA PAPER 77-10
Low-speed wind-tunnel investigation of forward-located spoilers and trailing splines as trailing-vortex hazard-alleviation devices on an aspect-ratio-8 wing model
Author(s): Croom, D. R.
Abstract: An investigation was made in the Langley V/STOL tunnel in order to determine, by the trailing-wing sensor technique, the effectiveness of either a forward-mounted spoiler or a tip-mounted spline as trailing-vortex ...
NASA Center: Langley Research Center
Publication Year: 1975
Added to NTRS: 2004-11-03
Accession Number: 75N15608; Document ID: 19750007536; Report Number: L-9892, NASA-TM-X-3166
Effects of a military cargo pod and tail fins on the aerodynamic characteristics of a large wide-body transport model
Author(s): Jernell, L. S.; Croom, D. R.
Abstract: Wind tunnel tests were conducted on a 0.03 scale model of a large wide-body commercial aircraft to determine the effects on the static aerodynamic characteristics resulting from the attachment of a belly pod for the ...
NASA Center: Langley Research Center
Publication Year: 1979
Added to NTRS: 2004-11-03
Accession Number: 79N20101; Document ID: 19790011930; Report Number: NASA-TM-80052
Flexible wings for transportation.
Author(s): Rogallo, F. M.; Croom, D. R.; Sleeman, W. C., Jr.
Abstract: The possible uses of flexible wings for transportation of passengers and cargo from point to point on earth are discussed along with emergency applications of flexible wings in connection with conventional aircraft. Topics ...
NASA Center: Langley Research Center
Publication Year: 1972
Added to NTRS: 2004-11-03
Accession Number: 72A33182; Document ID: 19720049516
Evaluation of flight spoilers for vortex alleviation
Author(s): Croom, D. R.
Abstract: The paper describes the facilities and test procedures used in a series of wind-tunnel and full-scale flight investigations of the effectiveness of flight spoilers currently existing on wide-bodied transport jet aircraft ...
NASA Center: Langley Research Center
Publication Year: 1977
Added to NTRS: 2004-11-03
Accession Number: 77A41548; Document ID: 19770058696
The development and use of spoilers as vortex attenuators
Author(s): Croom, D. R.
Abstract: Results are presented of groundbased and flight investigations performed to develop spoilers as trailing vortex alleviation devices. Based on the results obtained in these investigations, it was found that the induced ...
NASA Center: Langley Research Center
Publication Year: 1977
Added to NTRS: 2005-08-25
Accession Number: 78N12027; Document ID: 19780004084
Low-speed wind-tunnel investigation of various segments of flight spoilers as trailing-vortex-alleviation devices on a transport aircraft model
Author(s): Croom, D. R.
Abstract: An investigation was made in the Langley V/STOL tunnel to determine, by the trailing wing sensor technique, the effectiveness of various segments of the existing flight spoilers on a transport aircraft model when they were ...
NASA Center: Langley Research Center
Publication Year: 1976
Added to NTRS: 2005-08-25
Accession Number: 76N18041; Document ID: 19760010953; Report Number: L-10654, NASA-TN-D-8162
Low speed wind tunnel investigation of flight spoilers as trailing-vortex-alleviation devices on an extended-range wide body tri-jet airplane model
Author(s): Croom, D. R.; Vogler, R. D.; Thelander, J. A.
Abstract: An investigation was made in the Langley V/STOL tunnel to determine, by the trailing wing sensor technique, the effectiveness of various segments of the existing flight spoilers on an extended-range wide-body tri-jet ...
NASA Center: Langley Research Center
Publication Year: 1976
Added to NTRS: 2005-08-25
Accession Number: 77N15982; Document ID: 19770009039; Report Number: L-11104, NASA-TN-D-8373
Low speed wind tunnel investigation of span load alteration, forward-located spoilers, and splines as trailing-vortex-hazard alleviation devices on a transport aircraft model
Author(s): Croom, D. R.; Dunham, R. E., Jr.
Abstract: The effectiveness of a forward-located spoiler, a spline, and span load alteration due to a flap configuration change as trailing-vortex-hazard alleviation methods was investigated. For the transport aircraft model in the ...
NASA Center: Langley Research Center
Publication Year: 1975
Added to NTRS: 2005-08-25
Accession Number: 76N15087; Document ID: 19760007999; Report Number: L-10568, NASA-TN-D-8133
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