A new formulation of the dispersion tensor in homogeneous porous media

Solute transport in porous media: Dispersion tensor of periodic networks

Transport of contaminants in soils, nutrients in bones, and movement of minerals in soils are examples of solute transport in porous media. Theoretical methods used to study solute transport in porous media include numerical experiments on networks, on media with fractal geometry and percolation methods; method of moments and homogenization techniques on periodic media, and method of moments on...

Instability Analysis of Miscible Displacements in Homogeneous Porous Media

Saturation dependence of dispersion in porous media.

In this study, we develop a saturation-dependent treatment of dispersion in porous media using concepts from critical path analysis, cluster statistics of percolation, and fractal scaling of percolation clusters. We calculate spatial solute distributions as a function of time and calculate arrival time distributions as a function of system size. Our previous results correctly predict the range ...

Dispersion of solutes in porous media

A recently introduced theory of solute transport in porous media is tested by comparison with experiment. The solute transport is predicted using an adaptation of the cluster statistics of percolation theory to critical path analysis together with knowledge of how the structure of such percolation clusters affects the time of transport across them. Only the effects of a single scale of medium h...

Influence of Stagnant Zones on Transient and Asymptotic Dispersion in Macroscopically Homogeneous Porous Media a New View of the Spin Echo Diffusive Diffraction on Porous Structures

s of Posters Influence of stagnant zones on transient and asymptotic dispersion in macroscopically homogeneous porous media D. Kandhai, D. Hlushkou, A. Hoekstra, P. M. A. Sloot, H. Van As, U. Tallarek Section of Computational Science, University of Amsterdam, Amsterdam, The Netherlands Kramers Lab. of Physical Technology, Delft University of Technology, Delft, The Netherlands Laboratory of Biop...