Pore-scale modeling of solute transport in partially-saturated porous media

A Saeibehrouzi, S Abolfathi, P Denissenko… - Earth-Science …, 2024 - Elsevier
Solute transport in partially-saturated porous media plays a key role in multiple applications
across scales, from the migration of nutrients and contaminants in soils to geological energy …

Direct characterization of solute transport in unsaturated porous media using fast X-ray synchrotron microtomography

S Hasan, V Niasar, NK Karadimitriou… - Proceedings of the …, 2020 - pnas.org
Solute transport in unsaturated porous materials is a complex process, which exhibits some
distinct features differentiating it from transport under saturated conditions. These features …

Machine learning to predict effective reaction rates in 3D porous media from pore structural features

M Liu, B Kwon, PK Kang - Scientific reports, 2022 - nature.com
Large discrepancies between well-mixed reaction rates and effective reactions rates
estimated under fluid flow conditions have been a major issue for predicting reactive …

Phase saturation control on vorticity enhances mixing in porous media

A Velásquez‐Parra, F Marone… - Water Resources …, 2024 - Wiley Online Library
Mixing controls the fate of any solute entering porous media. Hence, an understanding of the
involved processes is essential for assessing subsurface contamination and planning for its …

Measuring, imaging and modelling solute transport in a microporous limestone

T Kurotori, C Zahasky, SAH Hejazi, SM Shah… - Chemical Engineering …, 2019 - Elsevier
The analysis of dispersive flows in heterogeneous porous media is complicated by the
appearance of anomalous transport. Novel laboratory protocols are needed to probe the …

[HTML][HTML] Four-dimensional X-ray micro-tomography imaging of dynamic processes in geosciences

C Noiriel, F Renard - Comptes …, 2022 - comptes-rendus.academie-sciences …
Résumé The dynamic response of rocks to thermal, hydrodynamical, mechanical, and
geochemical solicitations is of fundamental interest in several disciplines of geosciences …

4D neutron imaging of solute transport and fluid flow in sandstone before and after mineral precipitation

P Shafabakhsh, B Cordonnier… - Water Resources …, 2024 - Wiley Online Library
In many geological systems, the porosity of rock or soil may evolve during mineral
precipitation, a process that controls fluid transport properties. Here, we investigate the use …

Influence of stagnant zones on solute transport in heterogeneous porous media at the pore scale

C Zhang, K Kaito, Y Hu, A Patmonoaji, S Matsushita… - Physics of …, 2021 - pubs.aip.org
Solute transport in porous media is sensitive to heterogeneity at all scales. However, the
pore-scale solute transport behavior may considerably affect the behavior at larger scales …

Non-monotonic effect of compaction on longitudinal dispersion coefficient of porous media

Y Liu, W Gong, H **ao, M Wang - Journal of Fluid Mechanics, 2024 - cambridge.org
Utilizing the discrete element method and the pore network model, we numerically
investigate the impact of compaction on the longitudinal dispersion coefficient of porous …

Saturation dependence of mass transfer for solute transport through residual unsaturated porous media

Z Dou, X Zhang, C Zhuang, Y Yang, J Wang… - International Journal of …, 2022 - Elsevier
The residual non-wetting phase in unsaturated porous media varies the aqueous pore
space due to the immiscible characteristics. The varied pore space in turn has significant …