1-D modeling of ion transport in rectangular nanofluidic channels |
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Authors: | Liu Kun Ba Dechun Gu XiaoguangDu Guangyu Lin ZengLiu Xinghua Wang ZhixueXiao Songwen |
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Affiliation: | School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, China |
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Abstract: | 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. |
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Keywords: | Nanofluidics Electric double layer Ion transport Electric potential distribution Flow field distribution |
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