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Influence mechanism of pore-scale anisotropy and pore distribution heterogeneity on permeability of porous media
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LI Tao,LI Min,JING Xueqi,XIAO Wenlian,CUI Qingwu
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Table 5 The relations between permeability and tortuosity of 3D porous media.
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| Porous media | Relation | Correlation coefficient square | | Anisotropic porous media | Pcd=0.002 5 | ${{K}_{0}}\text{=}0.014\ 6{{\tau }^{-3.46}}$ | 0.838 | | Pcd=0.005 0 | ${{K}_{0}}\text{=}0.016\ 4{{\tau }^{-4.44}}$ | 0.681 | | Pcd=0.010 0 | ${{K}_{0}}\text{=}0.020\ 7{{\tau }^{-5.74}}$ | 0.695 | | Heterogeneous porous media | ${{K}_{0}}\text{=}0.120\ 8{{\tau }^{-8.24}}$ | 0.749 |
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