Guided wave modes in porous cylinders: Experimental results

C.J. Wisse, D.M.J. Smeulders, M.E.H. Dongen, van, G.E Chao

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Abstract

In this paper guided wave modes in porous media are investigated. A water-saturated porous cylinder is mounted in the test section of a shock tube. Between the porous sample and the wall of the shock tube a water-filled annulus exists. For very small annulus width, bulk waves are generated and one-dimensional modeling is sufficient. Otherwise two-dimensional effects become important and multiple guided wave modes occur. Using a newly developed traversable positioning system in the shock tube, the frequency-dependent phase velocities and damping coefficients in the 1–120 kHz frequency range were measured. Prony's method was used for data processing. Agreement was found between the experimental data and the two-dimensional modeling of the shock tube which was based on Biot's theory.
LanguageEnglish
Pages890-895
JournalJournal of the Acoustical Society of America
Volume112
Issue number3
DOIs
StatePublished - 2002

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shock tubes
annuli
phase velocity
water
positioning
frequency ranges
damping
Waves
Cylinder
coefficients
Water
Modeling

Cite this

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abstract = "In this paper guided wave modes in porous media are investigated. A water-saturated porous cylinder is mounted in the test section of a shock tube. Between the porous sample and the wall of the shock tube a water-filled annulus exists. For very small annulus width, bulk waves are generated and one-dimensional modeling is sufficient. Otherwise two-dimensional effects become important and multiple guided wave modes occur. Using a newly developed traversable positioning system in the shock tube, the frequency-dependent phase velocities and damping coefficients in the 1–120 kHz frequency range were measured. Prony's method was used for data processing. Agreement was found between the experimental data and the two-dimensional modeling of the shock tube which was based on Biot's theory.",
author = "C.J. Wisse and D.M.J. Smeulders and {Dongen, van}, M.E.H. and G.E Chao",
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Guided wave modes in porous cylinders: Experimental results. / Wisse, C.J.; Smeulders, D.M.J.; Dongen, van, M.E.H.; Chao, G.E.

In: Journal of the Acoustical Society of America, Vol. 112, No. 3, 2002, p. 890-895.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Guided wave modes in porous cylinders: Experimental results

AU - Wisse,C.J.

AU - Smeulders,D.M.J.

AU - Dongen, van,M.E.H.

AU - Chao,G.E

PY - 2002

Y1 - 2002

N2 - In this paper guided wave modes in porous media are investigated. A water-saturated porous cylinder is mounted in the test section of a shock tube. Between the porous sample and the wall of the shock tube a water-filled annulus exists. For very small annulus width, bulk waves are generated and one-dimensional modeling is sufficient. Otherwise two-dimensional effects become important and multiple guided wave modes occur. Using a newly developed traversable positioning system in the shock tube, the frequency-dependent phase velocities and damping coefficients in the 1–120 kHz frequency range were measured. Prony's method was used for data processing. Agreement was found between the experimental data and the two-dimensional modeling of the shock tube which was based on Biot's theory.

AB - In this paper guided wave modes in porous media are investigated. A water-saturated porous cylinder is mounted in the test section of a shock tube. Between the porous sample and the wall of the shock tube a water-filled annulus exists. For very small annulus width, bulk waves are generated and one-dimensional modeling is sufficient. Otherwise two-dimensional effects become important and multiple guided wave modes occur. Using a newly developed traversable positioning system in the shock tube, the frequency-dependent phase velocities and damping coefficients in the 1–120 kHz frequency range were measured. Prony's method was used for data processing. Agreement was found between the experimental data and the two-dimensional modeling of the shock tube which was based on Biot's theory.

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