Circumferentially segmented duct liners optimized for axisymmetric and standing-wave sources
By: Willie R. Watson
Contributors: United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
Series: NASA technical paper -- 2075
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch; For sale by the National Technical Information Service]
Published: 1982
Place of publication: Washington, D.C; [Springfield, Va
Language: eng
Number of pages: 47
Subjects: Standing waves; Soundproofing; Air ducts -- Noise control
Notes: "September 1982"--Cover

Includes bibliographical references