1-D modeling of ion transport in rectangular nanofluidic channels

被引：2

作者：

Liu Kun ^{[1
]}

Ba Dechun ^{[1
]}

Gu Xiaoguang ^{[1
]}

Du Guangyu ^{[1
]}

Lin Zeng ^{[1
]}

Liu Xinghua ^{[1
]}

Wang Zhixue ^{[1
]}

Xiao Songwen ^{[1
]}

机构：

[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110004, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2012年 / 258卷 / 06期

基金：

国家教育部博士点专项基金资助; 中国国家自然科学基金;

关键词：

Nanofluidics; Electric double layer; Ion transport; Electric potential distribution; Flow field distribution; MICROFLUIDICS;

D O I：

10.1016/j.apsusc.2011.02.131

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Based on the continuity hypothesis of fluid, 1-D mathematical models of ions' transport in the rectangular nanofluidic channels are established by using the Poisson-Boltzmann (PB) equation and the modified Navier-Stokes (N-S) equations. The deduced equations are solved with MATLAB software. The results show that the distribution of the electric potential and the flow field could be predicted by the parameters, such as conductivity, surface charge density, solution concentration and channel height. The relationships between the parameters and the flow characteristics of the solution are also discussed. The research will help to the accurate manipulation of the solution in the nanofluidic channels. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：2157 / 2160

页数：4

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