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SUMMARY:Dissolution of Capillary-Trapped CO2 - George Poole (Institute of 
 Energy and Environmental Flows)
DTSTART:20230512T120000Z
DTEND:20230512T130000Z
UID:TALK199111@talks.cam.ac.uk
CONTACT:108503
DESCRIPTION:The topic of geological carbon sequestration has provided ampl
 e motivation for both numerical and experimental studies of porous media c
 onvection\, wherein the density contrasts of brine containing dissolved CO
 2 drive convective dynamics. Many studies to date have focussed on convect
 ion initiated at the interface between buoyant\, single-phase CO2 and dens
 er brine underneath. However\, CO2 can also be capillary-trapped in the mi
 croscopic pore spaces of the reservoir\, in effect leaving behind tiny ‘
 bubbles’ that are themselves soluble in the surrounding brine. In this t
 alk I shall introduce a model of convection driven by such a process\, and
  discuss the work that has gone into developing a code based on the open-s
 ource finite element solver FEniCS to tackle this problem computationally.
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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