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The critical scaling property of random percolation porous media

Zhao Gang Liu Zhi-Feng Zhang You-Wei Liu Zheng-Feng Wang Xiao-Hong Lai Yuan-Ting

The critical scaling property of random percolation porous media

Zhao Gang, Liu Zhi-Feng, Zhang You-Wei, Liu Zheng-Feng, Wang Xiao-Hong, Lai Yuan-Ting
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  • Received Date:  12 March 2007
  • Accepted Date:  11 September 2007
  • Published Online:  05 February 2008

The critical scaling property of random percolation porous media

  • 1. (1)中国科学技术大学力学和机械工程系,合肥 230027; (2)中国科学技术大学热科学和能源工程系,合肥 230027; (3)中国科学院等离子体物理研究所,合肥 230031

Abstract: A percolation model of random porous media, with its nonzero bonds obeying the uniform distribution, is researched in this article- The scaling exponents of the permeability are calculated at the percolation critical point- The simulation suggests that the exponents are not universal,but depending on the parameter of the uniform distribution- This indicates that even if the first negative moment of the probability density function of the nonzero bonds exists, the corresponding scaling exponent at the critical point will not be universal- Our simulation result is different from the conclusion reached by Sahimi-

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