Some acoustic results from the Pratt and Whitney Advanced Ducted Propulsor
Subtitle: Fan 1
By: James H. Dittmar and David M. Elliott, Lawrence A. Bock.
Contributors: Elliott, David M.; Bock, Lawrence A.; NASA Glenn Research Center.
Series: NASA/TM -- 1999-209049; NASA technical memorandum -- 209049..
Publisher: National Aeronautics and Space Administration, Glenn Research Center; National Technical Information Service, distributor
Published: 1999
Place of publication: [Cleveland, Ohio]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Noise measurement.; Engine design.; Noise reduction.; Nacelles.; Effective perceived noise levels.; Ducts.
Other titles: Fan 1
Notes: Shipping list no.: 99-0729-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1999] 1 microfiche.