Fractal Character for Tortuous Streamtubes in Porous Media |
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作者姓名: | 郁伯铭 |
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作者单位: | DepartmentofPhysicsandtheStateKeyLaboratoryofPlasticFormingandDieandMouldTechnology,HuazhongUniversityofScienceandTechnology,Wuhan430074 |
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摘 要: | An analytical model for fractal dimension of tortuous streamtubes in porous media is derived. The proposed fractal dimension for tortuous streamtubes in porous media is expressed as a function of porosity and scale, and there is no empirical constant in the proposed expression. The model predictions for the fractal dimension of tortuous streamtubes in porous media are in good agreement with those by the box-counting method and with the observations of other researchers.
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关 键 词: | 分形特征 蒸汽管 多孔介质 流体力学 |
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