Wind-tunnel Investigation of a Jet Transport Airplane Configuration with an External-flow Jet Flap and Inboard Pod-mounted Engines PDF Download
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Author: Delma C. Freeman
Publisher:
ISBN:
Category : Flaps (Airplanes)
Languages : en
Pages : 132
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Book Description
Author: Delma C. Freeman
Publisher:
ISBN:
Category : Flaps (Airplanes)
Languages : en
Pages : 132
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Book Description
Author: Lysle P. Parlett
Publisher:
ISBN:
Category : Jet flaps (Airplanes)
Languages : en
Pages : 276
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Book Description
A wind-tunnel investigation has been conducted to determine the performance and static stability and control characteristics of an external-flow jet-flap transport configuration having inboard pod-mounted engines and full-span triple-slotted flaps. Tests were made with the engines mounted clustered at 22.0 percent and 30.4 percent semispan to represent double (Siamese) pods and with engines mounted at 22.0 percent and 41.7 percent semispan to represent a more spread arrangement. Tests were also made to evaluate the effectiveness of wing leading-edge blowing as a means of improving the aerodynamic efficiency of the configuration and of eliminating the large engine-out roll asymmetries that , occurred for the configuration when the wing with an engine out stalled first.
Author: Lysle P. Parlett
Publisher:
ISBN:
Category : Jet transports
Languages : en
Pages : 84
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Book Description
Author: Kiyoshi Aoyagi
Publisher:
ISBN:
Category : Jet flaps (Airplanes)
Languages : en
Pages : 84
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Book Description
Wind tunnel tests of swept wing jet transport aircraft model with four pod mounted engines under wing and external flow, jet augmented double slotted flap.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 730
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Book Description
Author: William A. Olsen
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 44
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Book Description
Noise data were obtained with a model of an externally blown flap of the type that is currently being considered for STOL aircraft. The noise caused by impingement of the jet on the flap is much louder than the nozzle jet noise. It is especially so directly below the wing. The noise level increases as the jet velocity and flap angle are increased. The sound power level increased with the sixth power of velocity. Several physical variations to the STOL model configuration were also tested. Two such variations, a large board and a slotless curved plate wing, had the same power spectra density (Strouhal number curve) as the model.
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1290
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1388
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1408
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 818
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
