Catalog Record: Measured and calculated transmission losses of sound waves through a helium layer [electronic resource] | Hathi Trust Digital Library

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Measured and calculated transmission losses of sound waves through a helium layer [electronic resource] / by Thomas D. Norum.

Main Author: Norum, Thomas D.
Language(s): English
Published: Washington, D.C. : National Aeronautics and Space Administration ; 1973.
Subjects: Sound-waves.
Acoustic impedance > Materials > Testing.
Helium.
Jet nozzles > Noise.
Note: Cover title.
Prepared at Langley Research Center.
Physical Description: 23 p. : ill. ; 27 cm.
Original Format: Book
Original Classification Number: TL521 .A3525 no. 7230
Locate a Print Version: Find in a library
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