基于逾渗理论的多孔过滤介质孔径分布估计方法

doi:10.11949/j.issn.0438-1157.20141546

化工学报 ›› 2015, Vol. 66 ›› Issue (5): 1690-1696.DOI: 10.11949/j.issn.0438-1157.20141546

基于逾渗理论的多孔过滤介质孔径分布估计方法

丁彬彬, 李朝林

哈尔滨工业大学深圳研究生院环境科学与工程研究中心, 广东深圳 518055

收稿日期:2014-10-13 修回日期:2015-02-06 出版日期:2015-05-05 发布日期:2015-05-05
通讯作者: 李朝林

Estimation of pore size distribution of porous media based on percolation theory

DING Binbin, LI Chaolin

Environmental Science and Engineering Research Center, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, Guangdong, China

Received:2014-10-13 Revised:2015-02-06 Online:2015-05-05 Published:2015-05-05

摘要/Abstract

摘要： 结合逾渗理论和网格模型,建立了过滤系数与过滤介质孔径分布的联系方程。利用此方程结合过滤实验数据获得过滤介质孔径分布的统计参数,同时与其他方法获得孔径分布参数以及其他文献中的数据进行比较,并利用计算机模拟过滤过程验证了获得的孔径分布参数,结果表明基于逾渗理论的过滤模型用于孔径分布参数的估计是比较准确和有效的。

关键词: 过滤, 多孔介质, 模型, 逾渗理论, 孔径分布

Abstract: Based on percolation theory and network model, an equation describing the relationship between filtration coefficient and pore size distribution (PSD) of filter media was established. Using this equation, PSD parameters of the filter medium could be obtained from experimental data. Moreover, the result was also compared with PSD parameters estimated by other methods and other data in the literature. In order to validate this method, the obtained PSD parameters were used in the simulation of straining-dominant filtration, and the simulation result was consistent with experimental data. The filtration model based on percolation theory for PSD parameter estimation was relatively accurate and effective.

Key words: filtration, porous media, model, percolation theory, pore size distribution

中图分类号:

TQ028.5⁺3

丁彬彬, 李朝林. 基于逾渗理论的多孔过滤介质孔径分布估计方法[J]. 化工学报, 2015, 66(5): 1690-1696.

DING Binbin, LI Chaolin. Estimation of pore size distribution of porous media based on percolation theory[J]. CIESC Journal, 2015, 66(5): 1690-1696.

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基于逾渗理论的多孔过滤介质孔径分布估计方法

Estimation of pore size distribution of porous media based on percolation theory

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