![]() ![]() Classically, a representation of the pore space is etched on a substrate made of silicon, glass or polymeric materials and covered by a transparent material. ![]() These microfluidic devices enable direct visualization of the flow, transport, and chemical processes in rock microstructure replica sandwiched between two parallel plates separated by a small distance ( Jahanbakhsh et al., 2020 Morais et al., 2020). (1988) who identified different flow instabilities in unsaturated porous systems according to the fluid pair and the flow rates using micromodels. The most famous example is the work of Lenormand et al. They brought new insights into the debates that drive the community for decades including the controversial use of Darcy's law for modeling multiphase flow and the understanding of the complex feedback between hydro-bio-chemical systems. Since their appearance in the early eighties, microfluidic experiments have revolutionized the knowledge in porous media research. In this paper, we review the state-of-the-art computational microfluidics for geosciences, the open challenges, and the future trends. ![]() Although the field is still in its infancy, the recent progress in modeling multiphase flow and reactive transport at the pore-scale has shed new light on the coupled mechanisms occurring in geological porous media already. Computational microfluidics intends to complement and augment laboratory experiments. This modeling approach solves the fundamental equations of continuum mechanics in the exact geometry of porous materials.
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