Journal
WAVE MOTION
Volume 51, Issue 5, Pages 716-728Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.wavemoti.2013.12.005
Keywords
Spatial dispersion; Porous media; Kirchhoff-Langevin theory; Viscothermal fluid; Nonlocal theory
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A macroscopic nonlocal theory of sound propagation in homogeneous rigid-framed porous media permeated with a viscothermal fluid has been recently proposed in this journal. It accounts for the first time for the full temporal and spatial dispersion effects, independently of the nature of the microgeometry. In this paper this new Maxwellian theory is validated in the case of sound propagation in cylindrical circular tubes, by showing that it matches exactly the long-known direct Kirchhoff-Langevin's solutions. (Cp) 2014 Elsevier B.V. All rights reserved.
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