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A closure for the compressibility of the source terms in lighthill's acoustic analogy [microform] / J.R. Ristorcelli.
Microform
Hampton, VA : Institute for Computer Applications in Science and Engineering, NASA Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
Azimuthal patterns of the radiated sound field from a turbofan model [microform] / R.H. Thomas ... [et al.].
Microform
Reston, VA : American Institute of Aeronautics and Astronautics ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
1997
0 resources
The radiated field generated by a monopole source in a short, rigid, rectangular duct [microform] : a thesis submitted to the Faculty of the School of Engineering and Applied Science of the George Washington University in partial satisfaction of the requirements for the degree of Master of Science / Barbara Anne Lakota.
Microform
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1998]
1998
0 resources
Gust acoustic response of a swept rectilinear cascade using the space-time CE/SE method [microform] / X.Y. Wang ... [et al.].
Microform
[Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
2001
1 resource
Available online
An analysis for the sound field produced by rigid wide chord dual rotation propellers of high solidity in compressible flow [microform] / Sridhar M. Ramachandra and Lawrence J. Bober.
Microform
[Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1986]
1986
0 resources