Suggested Topics within your search.
Showing 1 - 20 results of 23 for search '', query time: 0.14s Refine Results
1
The use of coherence functions to determine dynamic excitation sources on launch vehicle payloads /
by Barrett, Stanley, 1933-
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1979

Government Document Book
2
Evaluation of helicopter noise due to blade-vortex interaction for five tip configurations /
by Hoad, Danny R.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1979

Government Document Book
3
On the generation of side-edge flap noise /
by Howe, M. S.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1981

Government Document Book
4
Forward acoustic performance of a model turbofan designed for a high specific flow (QF-14) /
by Lucas, James G.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
5
Aeroacoustic performance of an externally blown flap configuration with several flap noise suppression devices /
by McKinzie, Daniel J.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
6
Stochastic analysis of spectral broadening by a free turbulent shear layer /
by Hardin, Jay C.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1981

Government Document Book
7
Ultrasonic input-output for transmitting and receiving longitudinal transducers coupled to same face of isotropic elastic plate /
by Williams, James H.
Washington, D.C. : [Springfield, Va.] : U.S. National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
8
A new measurement method for separating airborne and structureborne noise radiated by aircraft-type panels /
by McGary, Michael C.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
9
Flight test of a pure-tone acoustic source /
by Mueller, Arnold W.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1981

Government Document Book
10
Nonlinear theory of shocked sound propagation in a nearly choked duct flow /
by Myers, M. K.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
11
Comparison of measured and calculated mode redistribution associated with spinning mode transmission through circumferentially segmented lined ducts /
by Parrott, Tony L.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1983

Government Document Book
12
On the long range propagation of sound over irregular terrain /
by Howe, M. S.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1984

Government Document Book
13
Effect of grazing flow on the acoustic impendance of Helmholtz resonators consisting of single and clustered orifices /
by Hersh, Alan S.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1979

Government Document Book
14
A method for predicting the noise levels of coannular jets with inverted velocity profiles /
by Russel, James W.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1979

Government Document Book
15
Experimental study of acoustic loads on upper-surface-blown STOL airplane configuration /
by Willis, Conrad M.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1979

Government Document Book
16
NASA progress in aircraft noise prediction /
by Raney, John P.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1981

Government Document Book
17
Reduction of high-speed impulsive noise by blade planform modification of a model helicopter rotor /
by Conner, David A. (David Alan), 1956-
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
18
Noise transmission loss of aircraft panels using acoustic intensity methods /
by McGary, Michael C.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
19
Operational evaluation of a propeller test stand in the quiet flow facility at Langley Research Center /
by Block, P. J. W.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
20
A study of resonant-cavity and fiberglass-filled parallel baffles as duct silencers /
by Soderman, Paul T.
Washington, D.C. : [Springfield, Va.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [For sale by the National Technical Information Service], 1982

Government Document Book
Search Tools: Get RSS Feed — Email this Search — Save Search