The impact of heterogeneous anisotropy of porous media on density-driven convection

Qian Li, Weihua Cai*, Xiaojing Tang, Yicheng Chen, Bingxi Li, Ching Yao Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Purpose: The aim of this study is to numerically simulate the density-driven convection in heterogeneous porous media associated with anisotropic permeability field, which is important to the safe and stable long term CO2 storage in laminar saline aquifers. Design/methodology/approach: The study uses compact finite difference and the pseudospectral method to solve Darcy’s law. Findings: The presence of heterogeneous anisotropy may result in non-monotonic trend of the breakthrough time and quantity of CO2 dissolved in the porous medium, which are important to the CO2 underground storage. Originality/value: The manuscript numerically study the convective phenomena of mixture contained CO2 and brine. The phenomena are important to the process of CO2 enhanced oil recovery. Interesting qualitative patterns and quantitative trends are revealed in the manuscript.

Original languageEnglish
Pages (from-to)956-976
Number of pages21
JournalInternational Journal of Numerical Methods for Heat and Fluid Flow
Issue number2
StatePublished - 26 Sep 2019


  • CO enhanced oil recovery
  • Density-driven convection
  • Heterogeneous anisotropy


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