Noise Tests of a Mixer Nozzle-externally Blown Flap System PDF Download
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Author: Jack H. Goodykoontz Publisher: ISBN: Category : Flaps (Airplanes) Languages : en Pages : 60
Book Description
Noise tests were conducted on a large scale model of an externally blown flap lift augmentation system, employing a mixer nozzle. The mixer nozzle consisted of seven flow passages with a total equivalent diameter of 40 centimeters. With the flaps in the 30 - 60 deg setting, the noise level below the wing was less with the mixer nozzle than when a standard circular nozzle was used. At the 10 - 20 deg flap setting, the noise levels were about the same when either nozzle was used. With retracted flaps, the noise level was higher when the mixer nozzle was used.
Author: Jack H. Goodykoontz Publisher: ISBN: Category : Flaps (Airplanes) Languages : en Pages : 60
Book Description
Noise tests were conducted on a large scale model of an externally blown flap lift augmentation system, employing a mixer nozzle. The mixer nozzle consisted of seven flow passages with a total equivalent diameter of 40 centimeters. With the flaps in the 30 - 60 deg setting, the noise level below the wing was less with the mixer nozzle than when a standard circular nozzle was used. At the 10 - 20 deg flap setting, the noise levels were about the same when either nozzle was used. With retracted flaps, the noise level was higher when the mixer nozzle was used.
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 782
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.
Author: United States. Superintendent of Documents Publisher: ISBN: Category : Government publications Languages : en Pages : 1252
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: Jack H. Goodykoontz
Author: Jack H. Goodykoontz
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Author: United States. Superintendent of Documents
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Author: United States. Congress. Senate. Aeronautical and Space Sciences