Sources, paths, and concepts for reduction of noise in the test section of the NASA Langley 4 x 7m wind tunnel
By: R.E. Hayden, J.F. Wilby.
Contributors: Wilby, John F.; Langley Research Center.
Series: NASA contractor report -- 172446-1.; NASA contractor report -- NASA CR-172446-v. 1.
Publisher: National Aeronautics and Space Administration, Langley Research Center; National Technical Information Service, distributor
Published: 1984
Place of publication: Hampton, Va; [Springfield, Va
Language: eng
Format: Microform
Subjects: Wind tunnels -- Noise.
Other titles: Comparison of options for reduction of noise in the test section of the NASA Langley 4 x 7m wind tunnel including reduction of nozzle area.
Notes: Vol. 2, by R.E. Hayden, has title: Comparision [sic] of options for reduction of noise in the test section of the NASA Langley 4 x 7m wind tunnel including reduction of nozzle area.

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