Study of the Flow Field and Permeability Characteristics in the Goaf using the OpenPNM Package
Ke Gao,
Qiwen Li,
Lianzeng Shi
et al.
Abstract:The roof-caving step scale goaf behind the working face is sensitive to the region’s spontaneous combustion and gas concentration distribution, including many rock block cracks and holes. A severe deviation from the dynamics of fluids in porous media by representative element volume (REV), leading to the results of Computational Fluid Dynamics (CFD) simulation, has a significant error. A heterogeneous two-dimensional pore network model was established to simulate the goaf flow accurately. The network was first… Show more
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