J. Phys. IV France
Volume 125, June 2005
Page(s) 673 - 675

J. Phys. IV France 125 (2005) 673-675

DOI: 10.1051/jp4:2005125154

Photoacoustic study of gas permeability and diffusion in soils

R.T. Faria Jr., S. Tibana, L.H. Poley, M.S. Sthel, F.T. de Almeida and H. Vargas

Universidade Estadual do Norte Fluminense Darcy Ribeiro - LCFIS, Av. Alberto Lamego, 2000, Campos dos Goytacazes, Rio de Janeiro, Brazil

Gas diffusion and permeability of porous media play an important role in the field of environmental geo-technology, oil engineering, waste repository, etc. In this paper, the photoacoustic method was used to determine diffusion coefficients of soils. The results, in agreement with the literature values, assist in understanding the mechanism of a gas transport in those media.

© EDP Sciences 2005