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SUMMARY:Flow and reaction of carbon dioxide stored in saline aquifers - Dr
  Silvana Cardoso\, Chemical Engineering
DTSTART:20120308T113000Z
DTEND:20120308T123000Z
UID:TALK35975@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:We study the stability of a buoyant diffusive boundary layer i
 n a porous medium in the presence of a first-order chemical reaction and s
 how that it is fully determined by the non-dimensional number Da/Ra2 \, wh
 ere Da is the Damkholer number and Ra is the solutal Rayleigh number. The 
 time for onset of convection is shown to increase with rising . Above a cr
 itical \, no convection occurs as reaction stabilizes the diffusive layer 
 at a finite thickness. This thickness decreases with increasing\, becoming
  negligible at. The results are applied to CO2 geostorage\, suggesting dis
 tinct regimes of CO2 transport in saline aquifers.\n
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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