Aeroacoustic effects of reduced aft tip speed at constant thrust for a model counterrotation turboprop at takeoff conditions
By: Richard P. Woodward and Christopher E. Hughes.
Contributors: Hughes, Christopher E.; United States. National Aeronautics and Space Administration.
Series: NASA technical memorandum -- 103608.
Publisher: National Aeronautics and Space Administration; For sale by the National Technical Information Service
Published: 1990
Place of publication: [Washington, DC]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Aerodynamic characteristics.; Counter rotation.; Noise measurement.; Propeller fans.; Subsonic speed.; Tip speed.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1990] 1 microfiche.