Advancing-side directivity and retreating-side interactions of model rotor blade-vortex interaction noise
By: R. M. Martin ... [et al.].
Contributors: Martin, R. M. 1956-; United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.
Series: NASA technical paper -- 2784.; AVSCOM technical report -- 87-B-3.
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Division; For sale by the National Technical Information Service]
Published: 1988
Place of publication: [Washington, DC]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Acoustical engineering.
Other titles: Advancing side directivity and retreating side interactions of model rotor blade vortex interactionb noise.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1988. 1 microfiche.