Quantitative characterization of irregular micro-fracture network and its effect on the permeability of porous media

LI Tao,LI Qian,HU Yong,PENG Xian,FENG Xi,ZHU Zhanmei,ZHAO Zihan

Table 1 Construction parameters of the fractured models and simulation parameters in MRT-LBM.

Parameters Value Parameters Value Fracture aperture 30, 60, 120 μm Temperature 333 K Fracture length 2000, 4000, 8000 μm Inlet pressure 20 MPa Fracture number 8 Inlet density 983.1 kg/m3 Grid number 500×400 Outlet density 980 kg/m3 Grid step 5, 10, 20 μm Dynamic viscosity 4.699×10-4 Pa·s