Direct simulation of the influence of the pore structure on the diffusion process in porous media

  title={Direct simulation of the influence of the pore structure on the diffusion process in porous media},
  author={Yumei Yong and Xiaojun Lou and Sha Li and Chao Yang and Xiaolong Yin},
  journal={Computers & Mathematics with Applications},
In this paper, we numerically study the influence of pore structures on diffusion processes in porous media. The porous media geometry models are constructed based on two-dimensional Voronoi diagrams, and they feature randomly connected channels with large pores embedded to simulate the heterogeneity of porous media. A link-type tworelaxation-time (LTRT) lattice Boltzmann (LB) method is employed to solve the diffusion equation. The tortuosity is characterized as a function of porosity and pore… CONTINUE READING
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