[HTML][HTML] Challenges and enablers for large-scale CO2 storage in chalk formations
The past two decades of research on Carbon Capture and Storage (CCS) seem to have
finally become fruitful as global leaders and energy-intensive industries are cooperating to …
finally become fruitful as global leaders and energy-intensive industries are cooperating to …
Vigorous convection in porous media
DR Hewitt - Proceedings of the Royal Society A, 2020 - royalsocietypublishing.org
The problem of convection in a fluid-saturated porous medium is reviewed with a focus on
'vigorous' convective flow, when the driving buoyancy forces are large relative to any …
'vigorous' convective flow, when the driving buoyancy forces are large relative to any …
Solutal convection in porous media: Comparison between boundary conditions of constant concentration and constant flux
We numerically examine solutal convection in porous media, driven by the dissolution of
carbon dioxide (CO 2) into water—an effective mechanism for CO 2 storage in saline …
carbon dioxide (CO 2) into water—an effective mechanism for CO 2 storage in saline …
Effect of dispersion on solutal convection in porous media
Solutal convection in porous media is thought to be controlled by the molecular Rayleigh
number, R am, the ratio of the buoyant driving force over diffusive dissipation. The mass flux …
number, R am, the ratio of the buoyant driving force over diffusive dissipation. The mass flux …
Scalings of Rayleigh-Taylor instability at large viscosity contrasts in porous media
The scalings of the Rayleigh-Taylor instability are studied numerically for porous media
flows when the denser fluid lying on top of the less dense one is also much more viscous …
flows when the denser fluid lying on top of the less dense one is also much more viscous …
Chemo-hydrodynamic patterns in porous media
A De Wit - … Transactions of the Royal Society A …, 2016 - royalsocietypublishing.org
Chemical reactions can interplay with hydrodynamic flows to generate chemo-hydrodynamic
instabilities affecting the spatio-temporal evolution of the concentration of the chemicals. We …
instabilities affecting the spatio-temporal evolution of the concentration of the chemicals. We …
Spatial moment analysis of convective mixing in three-dimensional porous media using X-ray CT images
Dissolution trap** is one of the primary mechanisms of carbon dioxide (CO2) storage in
deep saline aquifers. The determination of the realized rates of CO2 dissolution requires an …
deep saline aquifers. The determination of the realized rates of CO2 dissolution requires an …
Convective dissolution of carbon dioxide in deep saline aquifers: Insights from engineering a high-pressure porous visual cell
We present the first experiments of dissolution-driven convection of carbon dioxide (CO 2) in
a confined brine-saturated porous medium at high pressures. We designed an alternative …
a confined brine-saturated porous medium at high pressures. We designed an alternative …
How non-Darcy effects influence scaling laws in Hele-Shaw convection experiments
We examine experimentally the influence of non-Darcy effects on convective dissolution in
Hele-Shaw cells. We focus on buoyancy-driven convection, where the flow is controlled by …
Hele-Shaw cells. We focus on buoyancy-driven convection, where the flow is controlled by …
An experimental study of density-driven convection of fluid pairs with viscosity contrast in porous media
CO 2 dissolution in saline water during aquifer sequestration causes natural convection
because of the density difference between CO 2-saturated brine and native brine. In this …
because of the density difference between CO 2-saturated brine and native brine. In this …