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首页> 外文期刊>Sonklanakarin Journal of Science and Technology >Effect of time varying fracture skin porosity on the contaminant transport mechanism in fractured porous media
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Effect of time varying fracture skin porosity on the contaminant transport mechanism in fractured porous media

机译：随时间变化的裂缝皮肤孔隙率对裂缝性多孔介质中污染物运移机理的影响

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摘要

In this paper, the effect of time varying fracture skin porosity on the contaminant transport mechanism in the fractured porous media is analyzed using numerical modeling. An implicit finite difference numerical technique has been used to solve the coupled non-linear governing equations. The effect of increasing porosity with time on the contaminant transport mechanism has been analyzed for various initial fracture skin porosities. Results suggest that time varying fracture skin porosity can affect the contaminant transport mechanism in a fracture matrix coupled system The concentration rapidly reduces within the fracture for various half fracture apertures and fracture-skin diffusion coefficients due to the effect of time varying fracture-skin porosity.
机译：本文利用数值模型分析了随时间变化的裂缝表皮孔隙度对裂缝性多孔介质中污染物运移机理的影响。隐式有限差分数值技术已用于求解耦合的非线性控制方程。对于各种初始断裂的皮肤孔隙率，已经分析了孔隙率随时间增加对污染物传输机制的影响。结果表明，随时间变化的裂缝皮肤孔隙度会影响裂缝基质耦合系统中的污染物运移机制。由于随时间变化的裂缝皮肤孔隙度的影响，裂缝内各种半裂隙孔径和裂缝-皮肤扩散系数的浓度迅速降低。

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