5 papers
Dynamic multiphase flow triggers chaotic mixing in porous media
Gaute Linga, Kevin Pierce, Marcel Moura +3
Solute mixing plays a pivotal role in a broad spectrum of chemical and biological processes across natural and engineered porous media. However, current understanding of mixing dyn…
How pore-scale disorder controls fluid stretching in porous media
J. Kevin Pierce, Tanguy Le Borgne, Francois Renard +1
Fluid stretching in porous media governs the mixing of reactants, contaminants, and nutrients, yet how the solid microstructure controls the stretching statistics remains poorly un…
Thermo-viscous instability of flow in a weakly heat-conducting channel
Federico Lanza, Gaute Linga, Fabian Barras +1
An instability may arise when a hot viscous fluid enters a thin gap and cools through heat transfer to a colder surrounding environment. Fluids whose viscosity increases strongly u…
Neural Networks for Predicting Permeability Tensors of 2D Porous Media: Comparison of Convolution- and Transformer-based Architectures
Sigurd Vargdal, Paula Reis, Henrik Andersen Sveinsson +1
Permeability is a central concept in the macroscopic description of flow through porous media, with applications spanning from oil recovery to hydrology. Traditional methods for de…
Stability of trapped fluid clusters in two-phase porous media flow
Mathias Klahn, Gaute Linga, Tanguy Le Borgne +1
A key challenge in multiphase flow through porous media is to understand and predict the conditions under which trapped fluid clusters become mobilized. Here, we investigate the st…