Tortuosity of Flow Paths through a Sierpinski Carpet

Tortuosity of Flow Paths through a Sierpinski Carpet
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通过谢尔宾斯基地毯的流动路径的曲折

DOI:
10.1088/0256-307x/28/3/034701
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发表时间:
2011-02
影响因子:
3.5
通讯作者:
Yu Bo-Ming
Yu Bo-Ming
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Li Jian-Hua;Yu Bo-Ming

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Sierpinski地毯是一种精确的自相似分形,常被用来模拟分形多孔介质。基于Sierpinski地毯的自相似性,建立了Sierpinski地毯流道弯曲度的简单递推模型。所提出的模型与地毯的阶段有关,并且在该模型中没有经验常数。通过数值和实验方法以及分析,模型预测与现有的相关性进行了比较。本模型的预测和现有的相关性之间的良好协议。该模型在自相似分形输运性质的分析中具有潜在的应用价值。
Sierpinski carpet is an exactly self-similar fractal, which is often used to simulate fractal porous media. A simple recursive model for the tortuosity of flow path in Sierpinski carpet is derived based on the self-similarity of the carpet. The proposed model is related to the stage of the carpet, and there is no empirical constant in this model. The model predictions are compared with those from available correlations by both numerical and experimental methods as well as analysis. Good agreement is found between the present model predictions and those from the available correlations. The present model may have the potential in analysis of transport properties in self-similar fractals.
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