Waves in partially saturated porous media

D.M.J. Smeulders, J.P.M. de La Rosette, M.E.H. van Dongen

Research output: Contribution to journalArticleAcademicpeer-review

23 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)25-37
Number of pages13
JournalTransport in Porous Media
Volume9
Issue number1-2
DOIs
Publication statusPublished - 1 Oct 1992

Keywords

  • dispersion
  • gas bubbles
  • shock tube
  • Waves

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