| 基于Poisson-Nernst-Planck模型的微通道电渗流数值模拟 |
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| 引用本文： | 贺赵霞,刘莹,杨大勇. 基于Poisson-Nernst-Planck模型的微通道电渗流数值模拟[J]. 传感器与微系统, 2011, 30(5): 37-40,43 |
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| 作者姓名： | 贺赵霞 刘莹 杨大勇 |
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| 作者单位： | 贺赵霞,刘莹,HE Zhao-xia,LIU Ying(南昌大学,机电工程学院,江西,南昌,330031);杨大勇,YANG Da-yong(南昌大学,环境与化学工程学院,江西,南昌,330031) |
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| 基金项目： | 国家自然科学基金资助项目，江西省教育厅科学技术研究计划资助项目 |
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| 摘 要： | 采用由电解质溶液离子输运Nernst-Planck方程、流体运动Navier-Stokes方程和电场Possion方程建立的Possion-Nernst-Planck模型,应用有限元分析方法研究二维光滑微通道电渗流输运特性和离子分布。对比分别基于Possion-Nernst-Planck模型和Poisson-Boltzmann模型数值模拟结果,结果表明:Possion-Nernst-Planck模型能更准确地模拟计算微通道中的电渗流输运特性和离子分布。
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| 关 键 词： | 电渗流 微通道 数值模拟 Possion-Nernst-Planck(PNP) 离子分布 |
Poisson-Nernst-Planck model for numerical simulation of electroosmotic flow in microchannels |
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| HE Zhao-xia,LIU Ying,YANG Da-yong. Poisson-Nernst-Planck model for numerical simulation of electroosmotic flow in microchannels[J]. Transducer and Microsystem Technology, 2011, 30(5): 37-40,43 |
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| Authors: | HE Zhao-xia LIU Ying YANG Da-yong |
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| Affiliation: | HE Zhao-xia1,LIU Ying1,YANG Da-yong2(1.School of Mechatronics Engineering,Nanchang University,Nanchang 330031,China,2.School of Enviremental & Chemical Engineering,China) |
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| Abstract: | Using the Poisson-Nernst-Planck model which is comprised of Nernst-Planck equation for ion transport of electrolyte solution,Navier-Stokes equation for liquid flows and Poisson equation for electric field and the finite element simulation to study the transport properties of electroosmotic flow and ion distributions in 2D smooth microchannel.Comparison of numerical simulation of the Nernst-Planck model and the Poisson-Boltzmann model,the results show that the transport properties of electroosmotic flow and ... |
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| Keywords: | Possion-Nernst-Planck(PNP) |
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