Some design philosophy for reducing the community noise of advanced counter-rotation propellers
By: James H. Dittmar.
Contributors: Lewis Research Center.
Series: NASA technical memorandum -- 87099.
Publisher: National Aeronautics and Space Administration, Lewis Research Center
Published: 1985
Place of publication: [Cleveland, Ohio
Language: eng
Format: Microform
Subjects: Airplanes -- Noise.; Airplanes -- Turbine-propeller engines -- Noise.; Communities.; Configuration interaction.; Contrarotating propellers.; Counter rotation.; Downwash.; Noise reduction.; Propellers.; Public relations.; Upwash.; Vortices.; Wakes.
Notes: Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1986. 1 microfiche.