[1]潘健,蔡红超..可变形多孔介质溶质运移的参数影响分析[J].郑州大学学报(工学版),2009,30(04):136-140.
　PAN Jian,CAI Hongchao.Parameter Influence Analysis of Solute Transport in Deformable Porours Media[J].Journal of Zhengzhou University (Engineering Science),2009,30(04):136-140.
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可变形多孔介质溶质运移的参数影响分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
30卷
期数:
2009年04期
页码:
136-140
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Parameter Influence Analysis of Solute Transport in Deformable Porours Media
作者:
潘健; 蔡红超.
华南理工大学土木与交通学院,广东广州,510640, 华南理工大学土木与交通学院,广东广州,510640
Author(s):
PAN Jian; CAI Hongchao
College of Civil and Transportation Engineering，South China University of Technology，Guangzhou 510640，China
关键词:
多孔介质;  参数;  黏土;  溶质运移
Keywords:
porous media; parameter; clay; solute transport
文献标志码:
A
摘要:
提出了有关可变形多孔介质溶质运移的的计算公式,该公式考虑了固结速率、膨胀速率、超孔隙水压力、吸出耗散等对非线性平流运移影响.用3种假设案例来说明透水黏土层中固结、膨胀、超孔隙水压力等对溶质运移过程以及临界点的影响,结果表明黏土层中固结影响浓度分布,但是并不显著影响运移通量的最大值,固结作用加速运移过程,不同的水头梯度下引起的膨胀能否加速平流运移过程,取决于有效扩散系数与固结系数的比值.
Abstract:
Formulation for the solute transport in deformable porous media was presented．The formulation wasbased on the effect of the rate of consolidation or swelling and excess pore pressure or suction dissipation onnonlinear advective component of transport through clay．Three hypothetical cases were evaluated to demon—strate the effect of consolidation，swelling and excess pore pressure on advective—diffusive transport and break—through in clay layer．The results show that consolidation in clay impacts concentration profiles，but does notsignificantly impact breakthrough of the diffusive flux，and consolidation accelerates transport．Swelling underhydraulic gradient application can either accelerate or retard the advective diffusive flux，depending upon theratio of the effective diflusion COmcient relative to the coefficient of consolidation．

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更新日期/Last Update: 1900-01-01