Numerical Simulation of Particle Retention Mechanisms at the Sub-Pore Scale

Numerical Simulation of Particle Retention Mechanisms at the Sub-Pore Scale

Sadeghnejad, S., Enzmann, F., & Kersten, M.

A Eulerian-Lagrangian model was used to analyze subresolution particle deposition in porous media. Deposition at subresolution was modeled by dynamically updating the solid fraction of pore voxels. An image-based technique was used to evaluate the role of surface deposition and clogging mechanisms. The results showed that clogging was responsible for the permeability changes when particle size and surface adhesion forces increased. Particle retention showed a maximum value around a critical velocity, in which filter cake development switched to a homogenous retention.

Transport in Porous Media, 145(1), 127-151
Corresponding Author: Saeid Sadeghnnejad

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