Actuator feasibility study for active control of ducted axial fan noise
Subtitle: under contract NAS3-26618
By: John C. Simonich.
Contributors: United States. National Aeronautics and Space Administration.
Series: NASA contractor report -- 195412.; NASA contractor report -- NASA CR-195412.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1994
Place of publication: [Washington, DC; Springfield, Va
Language: eng
Format: Microform
Subjects: Active control.; Actuators.; Noise reduction.; Piezoelectricity.; Fabrication.; Cermets.; Gas turbines.; Stators.; Vanes.; Aerodynamic noise.
Notes: Shipping list no.: 99-0152-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1997] 2 microfiches.