Design and Numerical Study of Micropump Based on Induced Electroosmotic Flow
Induced charge electroosmotic flow is a new electric driving mode. Based on the Navier–Stokes equations and the Poisson–Nernst–Planck (PNP) ion transport equations, the finite volume method is adopted to calculate the equations and boundary conditions of the induced charge electroosmotic flow. In th...
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doaj-047068d299ad44668d1e74b2d704fc8b2020-11-24T22:08:54ZengHindawi LimitedJournal of Nanotechnology1687-95031687-95112018-01-01201810.1155/2018/40185034018503Design and Numerical Study of Micropump Based on Induced Electroosmotic FlowKai Zhang0Lengjun Jiang1Zhihan Gao2Changxiu Zhai3Weiwei Yan4Shuxing Wu5Institute of Fluid Engineering of China Jiliang University, Hangzhou 310018, ChinaInstitute of Fluid Engineering of China Jiliang University, Hangzhou 310018, ChinaInstitute of Fluid Engineering of China Jiliang University, Hangzhou 310018, ChinaInstitute of Fluid Engineering of China Jiliang University, Hangzhou 310018, ChinaInstitute of Fluid Engineering of China Jiliang University, Hangzhou 310018, ChinaInstitute of Fluid Engineering of China Jiliang University, Hangzhou 310018, ChinaInduced charge electroosmotic flow is a new electric driving mode. Based on the Navier–Stokes equations and the Poisson–Nernst–Planck (PNP) ion transport equations, the finite volume method is adopted to calculate the equations and boundary conditions of the induced charge electroosmotic flow. In this paper, the formula of the induced zeta potential of the polarized solid surface is proposed, and a UDF program suitable for the simulation of the induced charge electroosmotic is prepared according to this theory. At the same time, on the basis of this theory, a cross micropump driven by induced charge electroosmotic flow is designed, and the voltage, electric potential, charge density, and streamline of the induced electroosmotic micropump are obtained. Studies have shown that when the cross-shaped micropump is energized, in the center of the induction electrode near the formation of a dense electric double layer, there exist four symmetrical vortices at the four corners, and they push the solution towards both outlets; it can be found that the average velocity of the solution in the cross-flow microfluidic pump is nonlinear with the applied electric field, which maybe helpful for the practical application of induced electroosmotic flow in the field of micropump.http://dx.doi.org/10.1155/2018/4018503 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Kai Zhang Lengjun Jiang Zhihan Gao Changxiu Zhai Weiwei Yan Shuxing Wu |
spellingShingle |
Kai Zhang Lengjun Jiang Zhihan Gao Changxiu Zhai Weiwei Yan Shuxing Wu Design and Numerical Study of Micropump Based on Induced Electroosmotic Flow Journal of Nanotechnology |
author_facet |
Kai Zhang Lengjun Jiang Zhihan Gao Changxiu Zhai Weiwei Yan Shuxing Wu |
author_sort |
Kai Zhang |
title |
Design and Numerical Study of Micropump Based on Induced Electroosmotic Flow |
title_short |
Design and Numerical Study of Micropump Based on Induced Electroosmotic Flow |
title_full |
Design and Numerical Study of Micropump Based on Induced Electroosmotic Flow |
title_fullStr |
Design and Numerical Study of Micropump Based on Induced Electroosmotic Flow |
title_full_unstemmed |
Design and Numerical Study of Micropump Based on Induced Electroosmotic Flow |
title_sort |
design and numerical study of micropump based on induced electroosmotic flow |
publisher |
Hindawi Limited |
series |
Journal of Nanotechnology |
issn |
1687-9503 1687-9511 |
publishDate |
2018-01-01 |
description |
Induced charge electroosmotic flow is a new electric driving mode. Based on the Navier–Stokes equations and the Poisson–Nernst–Planck (PNP) ion transport equations, the finite volume method is adopted to calculate the equations and boundary conditions of the induced charge electroosmotic flow. In this paper, the formula of the induced zeta potential of the polarized solid surface is proposed, and a UDF program suitable for the simulation of the induced charge electroosmotic is prepared according to this theory. At the same time, on the basis of this theory, a cross micropump driven by induced charge electroosmotic flow is designed, and the voltage, electric potential, charge density, and streamline of the induced electroosmotic micropump are obtained. Studies have shown that when the cross-shaped micropump is energized, in the center of the induction electrode near the formation of a dense electric double layer, there exist four symmetrical vortices at the four corners, and they push the solution towards both outlets; it can be found that the average velocity of the solution in the cross-flow microfluidic pump is nonlinear with the applied electric field, which maybe helpful for the practical application of induced electroosmotic flow in the field of micropump. |
url |
http://dx.doi.org/10.1155/2018/4018503 |
work_keys_str_mv |
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