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Transport in Porous Media

, Volume 82, Issue 2, pp 347–361 | Cite as

Effects of Material Symmetry on the Coefficients of Transport in Anisotropic Porous Media

  • Jacob Bear
  • Leonid G. FelEmail author
  • Yoram Zimmels
Article

Abstract

The objective of this article is to highlight certain features of a number of coefficients that appear in models of phenomena of transport in anisotropic porous media, especially the coefficient of dispersion the second-rank tensor D ij , and the dispersivity coefficient, the fourth-rank tensor a ijkl , that appear in models of solute transport. Although we shall focus on the transport of mass of a dissolved chemical species in a fluid phase that occupies the void space, or part of it, the same discussion is also applicable to transport coefficients that appear in models that describe the advective mass flux of a fluid and the diffusive transport of other extensive quantities, like heat. The case of coupled processes, e.g. the simultaneous transport of heat and mass of a chemical species, are also considered. The entire discussion will be at the macroscopic level, at which a porous medium domain is visualized as a homogenized continuum.

Keywords

Transport in porous media Hydraulic conductivity Anisotropy Dispersion coefficient Dispersivity coefficient Diffusion Heat conduction Coupled processes 

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Department of Civil and Environmental EngineeringTechnion—Israel Institute of TechnologyHaifaIsrael

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