Solute Spreading in Heterogeneous Aggregated Porous Media

  • Kira Logvinova
  • Marie Christine Néel

Solute spreading is studied, in saturated but heterogeneous porous media. The solid matrix is assumed to be composed of bounded obstacles, and the logarithm of the porosity is supposed to be represented by a three-dimensional random process. The latter appears as a parameter in the equation, ruling solute spreading, on the small scale. The concentration of solute, averaged with respect to the process, satisfies an equation which resembles Fourier’s law, except that it involves a term, non-local with respect to time.

Keywords

Porosity Convolution Dium 

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Copyright information

© Springer 2007

Authors and Affiliations

  • Kira Logvinova
    • 1
  • Marie Christine Néel
    • 2
  1. 1.“Climat, Sol, Environnement” INRA-UAPVUMRAFrance
  2. 2.Sol et Environnement INRA-UAPVUMR ClimatFrance

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