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Title: The acoustic sound field above a porous layer and the estimation of the acoustic surface impedance from free-field measurements
Authors: Allard, Jean Fran├žois ×
Lauriks, Walter
Verhaegen, C #
Issue Date: May-1992
Publisher: Amer inst physics
Series Title: Journal of the acoustical society of america vol:91 issue:5 pages:3057-3060
Abstract: An exact evaluation of the acoustic field created by a point source in a semi-infinite fluid above a layer of another fluid of finite thickness is worked out. A method of measuring the characteristic impedance and the propagation constant in a layer by a two-microphone technique is presented. An example is given where the semi-infinite fluid is air and the layer is a fluid equivalent to a porous material.
URI: 
ISSN: 0001-4966
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
× corresponding author
# (joint) last author

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