Fig. 1. 2D geometry used to study the pressure-driven methane flows.
Fig. 2. Comparison between the DSBGK method at Kn=0.02 (25.77MPa) and LBM at Kn=0 of Case 2. The DSBGK simulation used 6000Ă—3000 cells due to low Kn.
Fig. 3. Permeability variations with the pore pressure.
Fig. 4. Scaling law verified by different independent studies.