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