Direct Numerical Simulation and Modeling of Turbulent Convection in Porous Media

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Convection in porous media is an often observed phenomenon in everyday life and also an important process in industry as well. Turbulent natural and mixed convections in porous media are particularly important in some emerging industries, e.g., long term storage of CO2 in deep saline aquifers and thermal energy storage. However, the effect of turbulence on convection in porous media is very complicated and its physics is still not clear. Significant simplifications and strong assumptions have been made in the macroscopic models, causing considerable model errors. In the purposed project, the turbulent convection in porous media will be investigated with microscopic direct numerical simulation (MIC-DNS) methods. A more accurate macroscopic model will be developed for calculating turbulent convection in porous media. The developed model will be validated with our DNS results.