Journal
HEAT AND MASS TRANSFER
Volume 51, Issue 7, Pages 941-952Publisher
SPRINGER
DOI: 10.1007/s00231-014-1466-2
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Funding
- Masdar Institute
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We present a numerical analysis of the sensitivity of the density driven CO2 convection results in a vertical Hele-Shaw cell with respect to different modeling assumptions. The role of density driven convection phenomenon in CO2 geological storage capacity and safety has already been pointed out in several studies. We showed that in order to accurately simulate the phenomenon occurring in lab experiments, multi-phase transfer has to be considered and variations in the permeability field should also be taken into account. Taylor dispersion has been found to have no significant effect on the results. Experimental results of the convection fingering process development and of quantitative determination of the total mass of dissolved CO2 were used to validate the numerical simulation results. Understanding how accurate numerical models can simulate lab experiments is an important step in confirming their reliability to predict underground CO2 storage capacity.
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