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Title: A description of transversely isotropic sound absorbing porous materials by transfer matrices
Authors: Arora Nee Khurana, Poonam ×
Boeckx, Laurens
Lauriks, Walter
Leclaire, Philippe
Dazel, Olivier
Allard, Jean Fran├žois #
Issue Date: Feb-2009
Publisher: American Institute of Physics for the Acoustical Society of America
Series Title: Journal of the Acoustical Society of America vol:125 issue:2 pages:915-921
Abstract: A description of wave propagation in transversely isotropic porous materials saturated by air with a recent reformulation of the Biot theory is carried out. The description is performed in terms of a transfer matrix method (TMM). The anisotropy is taken into account in the mechanical parameters (elastic constants) and in the acoustical parameters (flow resistivity, tortuosity, and characteristic lengths). As an illustration, the normal surface impedance at normal and oblique incidences of transversely isotropic porous layers is predicted. Comparisons are performed with experimental results.
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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