The geometry of the micromodel is from Li et al., 2017, where the original 2D scan is 11275*8460 with a voxel resolution of 0.630 micron. The simulation grid, 1953*13*2640 is constructed from resized 2D scan image (porosity: 0.49), with a grid resolution of 2.727 micron.
Li, Yaofa, Farzan Kazemifar, Gianluca Blois, and Kenneth T. Christensen. "Micro‐PIV measurements of multiphase flow of water and liquid CO2 in 2‐D heterogeneous porous micromodels." Water Resources Research 53, no. 7 (2017): 6178-6196.