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Helicopter model rotor-blade vortex interaction impulsive noise scalability and parametric variations /

Acoustic data taken in the anechoic Deutsch-Niederlaendischer Windkanal (DNW) have documented the blade-vortex interaction (BVI) impulsive noise radiated from a 1/7-scale model main rotor of the AH-1 series helicopter.

Bibliographic Details
Corporate Authors: Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt., Army Research and Technology Laboratories (U.S.), Ames Research Center.
Other Authors: Splettstoesser, W. R.
Format: Government Document Online Microform Book
Published: Moffett Field, Calif. : St. Louis, Mo. : National Aeronautics and Space Administration, Ames Research Center ; United States Army Aviation Systems Command, [1984]
Series:NASA technical memorandum ; 86007
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