Using 3D-printed fluidics to study the role of permeability heterogeneity on miscible density-driven convection in porous media

Guo, Ruichang; Sun, Haixin; Wang, Hongsheng; Liu, Yang; Cheng, Chang

doi:10.1016/j.advwatres.2023.104496

Cited by 1 publication

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“…Real geological formations are inherently disordered and heterogeneous, and mimicking this feature in laboratory models is essential to capture the role of the medium heterogeneities on the solute mixing. The technique proposed by Guo et al [139] addresses this issue, and it consists of a cell made of 3D printed elementary blocks designed to be easily rearranged to obtain a desired permeability field.…”

Section: Recent Developments In Experimental Techniquesmentioning

confidence: 99%

Convective mixing in porous media: a review of Darcy, pore-scale and Hele-Shaw studies

De Paoli

2023

Eur. Phys. J. E

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Convection-driven porous media flows are common in industrial processes and in nature. The multiscale and multiphase character of these systems and the inherent nonlinear flow dynamics make convection in porous media a complex phenomenon. As a result, a combination of different complementary approaches, namely theory, simulations and experiments, have been deployed to elucidate the intricate physics of convection in porous media. In this work, we review recent findings on mixing in fluid-saturated porous media convection. We focus on the dissolution of a heavy fluid layer into a lighter one, and we consider different flow configurations. We present Darcy, pore-scale and Hele-Shaw investigations inspired by geophysical processes. While the results obtained for Darcy flows match the dissolution behaviour predicted theoretically, Hele-Shaw and pore-scale investigations reveal a different and tangled scenario in which finite-size effects play a key role. Finally, we present recent numerical and experimental developments and we highlight possible future research directions. The findings reviewed in this work will be crucial to make reliable predictions about the long-term behaviour of dissolution and mixing in engineering and natural processes, which are required to tackle societal challenges such as climate change mitigation and energy transition. Graphic abstract

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Section: Recent Developments In Experimental Techniquesmentioning

confidence: 99%

Convective mixing in porous media: a review of Darcy, pore-scale and Hele-Shaw studies

De Paoli

2023

Eur. Phys. J. E

View full text Add to dashboard Cite

show abstract

Using 3D-printed fluidics to study the role of permeability heterogeneity on miscible density-driven convection in porous media

Cited by 1 publication

References 56 publications

Convective mixing in porous media: a review of Darcy, pore-scale and Hele-Shaw studies

Convective mixing in porous media: a review of Darcy, pore-scale and Hele-Shaw studies

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