Active attenuation of propeller blade passage noise
By: J.M. Zalas and J. Tichy
Contributors: Tichy, J; Langley Research Center; Lord Corporation
Series: NASA contractor report -- 172386
Publisher: National Aeronautics and Space Administration, Langley Research Center
Published: 1984
Place of publication: Hampton, Va
Language: eng
Format: Microform
Subjects: Airplanes -- Turbine-propeller engines; Aircraft cabins -- Noise
Notes: "Lord Corporation."

"July 1984."

"Contract NAS1-17231."

"N 84-30886"--Microfiche header

Bibliography: p. 9

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1984. 1 microfiche ; 11 x 15 cm