Effect of fracture-skin on virus transport in fractured porous media

被引：0
|
作者：
N.Natarajan [1 ]
G.Suresh Kumar [2 ]
机构：
[1] EWRE Division,Department of Civil Engineering,Indian Institute of Technology,Madras,Chennai 36,India
[2] Department of Ocean Engineering,Indian Institute of Technology,Madras,Chennai 36,India
来源：
Geoscience Frontiers | 2012年 / 06期
关键词：
Fracture-skin; Virus transport; Rock-matrix; Fracture;
D O I：
暂无
中图分类号：
R687.3 [骨骼手术];
学科分类号：
1002 ; 100210 ;
摘要：
A numerical model is developed for describing the transport of virus in a fracture-matrix coupled system with fracture-skin.An advective dispersive virus transport equation,including firstorder sorption and inactivation constant is used for simulating the movement of viruses.Implicit finite-difference numerical technique is used to solve the coupled non-linear governing equations for the triple continuum model consisting of fracture,fracture-skin and the rock-matrix.A varying grid is adopted at the fracture and fracture-skin interface to capture the mass transfer.Sensitivity analysis was performed to investigate the effect of various properties of the fracture-skin as well as viruses on the virus concentration in the fractured formation with fracture-skin.Simulation results suggest that the virus concentration in the fracture decreases with increment in the fracture-skin porosity,fracture-skin diffusion coefficient,mass transfer coefficient,inactivation constant and sorption distribution coefficient, and with reduction in the fracture aperture.
引用
收藏
页码：893 / 900
页数：8
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