A wave-envelope analysis of sound propagation in nonuniform circular ducts with compressible mean flows
By: A. H. Nayfeh, J. E. Kaiser, and B. S. Shaker, Virginia Polytechnic Institute & State University.
Contributors: Kaiser, John E.; Shaker, B. S.; Langley Research Center.; United States. National Aeronautics and Space Administration. Scientific and Technical Information Office.; Virginia Polytechnic Institute and State University.
Series: NASA contractor report ; NASA CR-3109; NASA contractor report -- NASA CR-3109.
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Office; for sale by the National Technical Information Service
Published: 1979
Place of publication: [Washington]; Springfield, Va
Language: eng
Number of pages: 65
Subjects: Airplanes -- Turbojet engines -- Noise.
Notes: Prepared for Langley Research Center under contract NAS1-13884.

March 1979.

Includes bibliographical references.