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Waves in partially saturated porous media (1992)

Smeulders, D. M. J. ; Rosette, J. P. M. ; Dongen, M. E. H.

Springer

Transport in porous media 9 (1992), S. 25-37

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ISSN: 1573-1634

Keywords: Waves ; dispersion ; shock tube ; gas bubbles

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences , Technology

Notes: Abstract The propagation of compressional waves in a porous medium is investigated in case the pore liquid contains a small volume fraction of gas. The effect of oscillating gas bubbles is taken into account by introducing a frequency-dependent fluid bulk modulus, which is incorporated in the Biot theory. Using a shock tube technique, new experimental data are obtained for a porous column subjected to a pressure step wave. An oscillatory behaviour is observed, consisting of two distinct frequency bands, which is predicted by the theoretical analysis.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01039623

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