关于具有垂直弱渗透膜的点坝下的液体过滤

Efimova Irina A.
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引用次数: 0

摘要

研究了点坝下存在弱渗透膜的分段均匀多孔介质中地下水的过滤问题。过滤区域被认为是一个垂直的半平面与水平线的水道。弱渗透性薄膜将过滤区域分为两个具有不同恒定渗透率的象限。利用傅里叶展开的卷积方法,得到了该问题的显式解。研究了弱渗透膜对过滤过程的影响。结果表明,弱渗透膜的存在降低了下游的过滤速率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
About Liquid Filtration Under a Point Dam with a Vertical Weakly Permeable Film
The problem of groundwater filtration under a point dam in a piecewise homogeneous porous medium in the presence of a weakly permeable film under the dam is considered. The filtration area is considered in the form of a vertical half-plane with a horizontal line of water courses. A weakly permeable film divides the filtration area into two quadrants with different constant permeability. By the convolution method of Fourier expansions, the solution of the problem is obtained explicitly. The influence of a weakly permeable film on the filtration process is investigated. It is shown that the presence of a weakly permeable film reduces the filtration rates in the downstream.
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