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Drying and evaporation in porous media is relevant for many engineering processes and for soil cultivation. These processes occur over several scales, where the evolving liquid-gas interface is important to describe the evaporation at the pore scale, while its effect lies on the REV scale. Our goal is to provide a better mathematical description of REV-scale evaporation by starting with a pore-scale description of the relevant processes and using upscaling to derive an effective model at REV scale. The effect of the evolving interface is explicitly taken into account and different approaches to describe the evolving interface at the pore scale will be investigated.
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Jun 16, 2021 - Code for effective heat conductivity in thin porous media
Scholz, Lena; Bringedal, Carina, 2021, "Code for effective heat conductivity in thin porous media", https://doi.org/10.18419/darus-2026, DaRUS, V1
This code can be used to determine the effective heat conductivity of a thin periodic porous medium by solving a two- or three-dimensional local cell problem on pore scale using the software Netgen/NGSolve. The pore geometry of the representative cell and the boundary conditions...
Jun 14, 2021
Feb 25, 2021 - Upscaled equations for two-phase flow in highly heterogeneous porous media: Varying permeability and porosity
Bringedal, Carina, 2021, "Data and code for Upscaled equations for two-phase flow in highly heterogeneous porous media: Varying permeability and porosity", https://doi.org/10.18419/darus-1376, DaRUS, V1
This dataset contains the code and simulation results for the paper "Upscaled equations for two-phase flow in highly heterogeneous porous media: Varying permeability and porosity" by Tufan Ghosh, Carina Bringedal, Rainer Helmig and G. P. Raja Sekhar. Based on a layered permeabili...
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