Dynamic behaviors and absorption of double porosity media

Auteurs-es

  • X. Olny Ecl. Natl. Travaux Publics de L'Etat, Dept. Genie Civ./Bat., URA CNRS 1652, Vaulx-en-Velin, 69518 Cedex, France
  • C. Boutin Ecl. Natl. Travaux Publics de L'Etat, Dept. Genie Civ./Bat., URA CNRS 1652, Vaulx-en-Velin, 69518 Cedex, France

Mots-clés :

Absorption, Compressibility, Diffusion, Mechanical permeability, Viscoelasticity, Wave propagation, Micropores

Résumé

The coupling effects that occur in double porosity media in the two fluid networks are described. Two macroscopic descriptions are proposed and compared to the experimental measurements. Three scales are necessary to describe the material: the macroscale, the mesoscale, and the microscale. Two main behaviors, depending on the contrast of static permeability between the pores and the micropores are briefly described. Measurements are made using standing wave tubes, in the direction of perforations.

Fichiers supplémentaires

Publié-e

2000-09-01

Comment citer

1.
Olny X, Boutin C. Dynamic behaviors and absorption of double porosity media. Canadian Acoustics [Internet]. 1 sept. 2000 [cité 14 mai 2026];28(3):88-9. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1303

Numéro

Vol. 28 No. 3 (2000)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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