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Tortuosity for streamlines in porous media
  • ISSN号：1674-1056
  • 期刊名称：Chinese Physics B
  • 时间：2012.4.4
  • 页码：1-11
  • 分类：TP391.41[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术] TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]College of Mathematics, Physics and Information Engineering, Zhejiang Normal University, Jinhua 321004, China, [2]Department of Physics, Jining Teachers College, Jining 012000, Inner Mongolia Autonomous Region, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Grant No. 10932010, 10972199, 11005093, 11072220, and 11079029）, the Natural Science Foundation of Zhejiang Province of China （Grant No. Z6090556 and Y6100384）, and the Research Project for tile Higher Educational Institutions of Inner Mongolia Autonomous Region （Grant No. NJZZ11284）.
  • 相关项目：多孔介质中复杂流动细观机理与方法研究
作者： Kou Jian-Long|Tang Xue-Ming|Zhang Hai-Yan|Lu Hang-Jun|Wu Feng-Min|Xu You-Sheng|Dong Yong-Sheng|
关键词： 多孔介质, 分形维数, 渗流阈值, 模型分析, 不可压缩, 统计方法, 经验常数, 孔隙率, tortuosity, tortuosity fractal dimension, porous media
中文摘要：

An analysis of tortuosity for streamlines in porous media is presented by coupling the circle and square models. It is assumed that some particles in porous media do not overlap and that fluid in porous media is incompressible. The relationship between tortuosity and porosity is attained with different configurations by using a statistical method. In addition, the tortuosity fractal dimension is expressed as a function of porosity. Those correlations do not include any empirical constant. The percolation threshold and tortuosity fractal dimension threshold of porous media are also presented as: c = 0.32, D T c = 1.07. The predicted correlations of the tortuosity and the porosity agree well with the existing experimental and simulated results.

英文摘要：

An analysis of tortuosity for streamlines in porous media is presented by coupling the circle and square models. It is assulued that some particles in porous media do not overlap and that fluid in porous media is incompressible. The relationship between tortuosity and porosity is attained with different configurations by using a statistical method. In addition, the tortuosity fractal dimension is expressed as a function of porosity. Those correlations do not include any empirical constant. The percolation threshold and tortuosity fractal dimension threshold of porous media are also presented as： φc = 0.32, DT,： = 1.07. The predicted correlations of the tortuosity and the porosity agree well with the existing experimental and simulated results.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:406