An analysis for the sound field produced by rigid wide chord dual rotation propellers of high solidity in compressible flow
By: Sridhar M. Ramachandra and Lawrence J. Bober.
Contributors: Bober, Lawrence J.; Lewis Research Center.
Series: NASA technical memorandum -- 87178.
Publisher: National Aeronautics and Space Administration, Lewis Research Center
Published: 1986
Place of publication: [Cleveland, Ohio
Language: eng
Format: Microform
Subjects: Acoustic emission.; Turbomachines -- Aerodynamics.; Acoustic properties.; Compressible flow.; Propellers.; Sound fields.
Notes: Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1986. 1 microfiche.