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Communication Dans Un Congrès Année : 2011

Numerical Monte-Carlo analysis of the influence of pore-scale dispersion on macrodispersion in heterogeneous porous media

Anthony Beaudoin
  • Fonction : Auteur
Jean-Raynald de Dreuzy
J. Erhel
  • Fonction : Auteur

Résumé

Macrodispersion is the result of molecular diffusion and hydrodynamic dispersion. Molecular diffusion comes from the random motion of molecules. Hydrodynamic dispersion comes from the spreading of solutes due to the heterogeneous flow. From pore scale to Darcy scale, dispersion is modeled by fixed dispersivities. At larger scales, dispersion comes both from the smaller scale dispersion and from the fluctuations of flow issued by the heterogeneous permeability. In this study, we investigate the influences of pore-scale dispersion and heterogeneous permeability on the macrodispersion.
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hal-03422714 , version 1 (09-11-2021)

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  • HAL Id : hal-03422714 , version 1

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Anthony Beaudoin, Jean-Raynald de Dreuzy, J. Erhel. Numerical Monte-Carlo analysis of the influence of pore-scale dispersion on macrodispersion in heterogeneous porous media. CFM 2011 - 20ème Congrès Français de Mécanique, Aug 2011, Besançon, France. ⟨hal-03422714⟩

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