Mechanisms of dispersion in a porous medium

This paper studies the mechanisms of dispersion in the laminar flow through the pore space of a three-dimensional porous medium. We focus on preasymptotic transport prior to the asymptotic hydrodynamic dispersion regime, in which solute motion may be described by the average flow velocity and a hydr...

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Veröffentlicht in:	Journal of fluid mechanics 2018-04, Vol.841, p.851-882
Hauptverfasser:	Dentz, M., Icardi, M., Hidalgo, J. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Advection Average flow Computer simulation Conditioning Decay rate Differential equations Diffusion Diffusion rate Dispersion Distribution Dye dispersion Flow velocity Frameworks Grains Hydrodynamics JFM Papers Laminar flow Laplace transforms Mass transfer Mathematical models Poisson density functions Porosity Porous media Random walk Residence time Solutes Statistical methods Streamlines Time domain analysis Transport Trapping Velocity
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