NDLI: Measurement of transmission loss characteristics using acoustic intensity techniques at the ku-frl acoustic test facility

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Measurement of transmission loss characteristics using acoustic intensity techniques at the ku-frl acoustic test facility

Content Provider	NASA Technical Reports Server (NTRS)
Author	Roskam, J.
Copyright Year	1983
Description	The transmission loss characteristics of panels using the acoustic intensity technique is presented. The theoretical formulation, installation of hardware, modifications to the test facility, and development of computer programs and test procedures are described. A listing of all the programs is also provided. The initial test results indicate that the acoustic intensity technique is easily adapted to measure transmission loss characteristics of panels. Use of this method will give average transmission loss values. The fixtures developed to position the microphones along the grid points are very useful in plotting the intensity maps of vibrating panels.
File Size	6463737
Page Count	126
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19840008874
Archival Resource Key	ark:/13960/t2s51h35j
Language	English
Publisher Date	1983-12-01
Access Restriction	Open
Subject Keyword	Acoustics Panels Fourier Transformation Noise Reduction Finite Difference Theory Acoustic Emission Flow Velocity Laplace Transformation Transmission Loss Computer Programs Sound Pressure Microphones Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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