Brown University School of Engineering

Fluids Seminar: Solutal Convection in Porous Media

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Tuesday, December 03, 2013 3:00pm - 4:00pm

Anja Slim Solutal Convection in Porous Media One viable near-term technology for reducing anthropogenic carbon dioxide emissions to the atmosphere is carbon capture and storage. The idea is to capture CO2 from point sources such as power stations, purify it, compress it and inject it underground into porous, usually brine-filled, rock. The CO2 is trapped through various mechanisms, one of which is as dissolved CO2 in the brine. Dissolution of the CO2 can be enhanced by convection, but this is thought to occur on such a fine scale that reservoir-scale simulators cannot accurately predict the behaviour. Is convective dissolution an important effect? If so, can we upscale the dynamics for inclusion in reservoir simulators? To answer these questions, this talk will explore the rich dynamics of solutal convection in porous media, a classical fluids problem with the twist of being statistically unsteady.