不饱和多孔渗水介质中化学物质转移的数学模型

不饱和多孔渗水介质中化学物质转移的数学模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Method-focused categoriesProcess-perspectivePhysical process calculation
Method-focused categoriesProcess-perspectiveChemical process calculation

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Chinese {{currentDetailLanguage}} Chinese

不饱和多孔渗水介质中化学物质转移的数学模型

 

式中,c是土壤溶液中化学物质的浓度;s是被吸附了的化学物质;t是吸附的时间;D是水动力学扩散系数;z是距离;V是空隙水速度的大小;介质的体积密度是l;有效的空隙渗水(土壤水容量部分)neK是转化率常数。

(1)初始条件和边界条件:

 

式中,erfc(z)是误差函数;Rd=1+Kd(1/ne)Kd是分布系数

(2)二维平面上的流体运动和连续性的组合方程为:

 

 

参考文献

Kalmaz E V,Barbieri J L:铀防护作业附近多孔渗水介质中放射性有毒化学物质扩散的数学建模和计算机模拟。Ecological Modelling,1981,13

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How to Cite

《资源环境数学模型手册》 (2018). 不饱和多孔渗水介质中化学物质转移的数学模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/5c178ec2-140c-47f4-870b-372fc3e10254
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Last modifier : 
Xiaoyu He
Last modify time : 
2020-11-27
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Contributor(s)

initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
Xiaoyu He
Last modify time : 
2020-11-27
Modify times : 
View History

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