Developing pressure-driven liquid flow in microchannels under the electrokinetic effect

被引：53
|
作者：
Chen, XY [1 ]
Toh, KC [1 ]
Chai, JC [1 ]
Yang, C [1 ]
机构：
[1] Nanyang Technol Univ, Sch Mech & Prod Engn, Singapore 639798, Singapore
来源：
INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE | 2004年 / 42卷 / 5-6期
关键词：
Electrokinetic (electroviscous) effect; developing microchannel flow; the Nernst-Planck equation; Boltzmann distribution; developing streaming potential;
D O I：
10.1016/j.ijengsci.2003.07.008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A mathematical model is developed to study the electrokinetic effect on liquid developing flow in a parallel slit including the general Nernst-Planck equation describing anion and cation distributions, the Poisson equation determining the electrical potential profile, and the modified Navier-Stokes equation governing the velocity flow field. Since these three equations are coupled, a numerical scheme based on the finite volume method is utilized to iteratively solve the proposed model. A new expression for the streaming potential in the case of the developing flow status is derived. The characteristics of the pressure-driven flow in the presence of the electrokinetic effect are examined. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：609 / 622
页数：14
相关论文
共 50 条
  • [21] Analysis of combined pressure-driven electroosmotic flow through square microchannels
    Reza Monazami
    Mehrdad T. Manzari
    [J]. Microfluidics and Nanofluidics, 2007, 3 : 123 - 126
  • [22] Finite element simulation of pinched pressure-driven flow injection in microchannels
    Bai, XX
    Josserand, J
    Jensen, H
    Rossier, JS
    Girault, HH
    [J]. ANALYTICAL CHEMISTRY, 2002, 74 (24) : 6205 - 6215
  • [23] Analysis of pressure-driven electrokinetic flows in hydrophobic microchannels with slip-dependent zeta potential
    C. Y. Soong
    P. W. Hwang
    J. C. Wang
    [J]. Microfluidics and Nanofluidics, 2010, 9 : 211 - 223
  • [24] Analysis of combined pressure-driven electroosmotic flow through square microchannels
    Monazami, Reza
    Manzari, Mehrdad T.
    [J]. MICROFLUIDICS AND NANOFLUIDICS, 2007, 3 (01) : 123 - 126
  • [25] Electroosmotic and pressure-driven slip flow of fractional viscoelastic fluids in microchannels
    An, Shujuan
    Tian, Kai
    Ding, Zhaodong
    Jian, Yongjun
    [J]. APPLIED MATHEMATICS AND COMPUTATION, 2022, 425
  • [26] CHARACTERIZATION OF AC ELECTROKINETIC FORCES USING PRESSURE-DRIVEN FLOW IN A MICROCHANNEL
    Capurro, Jorge J.
    Noh, Hongseok
    [J]. PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION, VOL 13, PTS A AND B, 2009, : 1061 - 1069
  • [27] Analysis of pressure-driven electrokinetic flows in hydrophobic microchannels with slip-dependent zeta potential
    Soong, C. Y.
    Hwang, P. W.
    Wang, J. C.
    [J]. MICROFLUIDICS AND NANOFLUIDICS, 2010, 9 (2-3) : 211 - 223
  • [28] Thermally developing combined electroosmotic and pressure-driven flow of nanofluids in a microchannel under the effect of magnetic field
    Ganguly, Suvankar
    Sarkar, Sandip
    Hota, Tapan Kumar
    Mishra, Manoranjan
    [J]. CHEMICAL ENGINEERING SCIENCE, 2015, 126 : 10 - 21
  • [29] H2 forced convection in rectangular microchannels under a mixed electroosmotic and pressure-driven flow
    Sadeghi, Arman
    Azari, Milad
    Chakraborty, Suman
    [J]. INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 2017, 122 : 162 - 171
  • [30] Impact of flow feedback on bubble generation in T-junction microchannels under pressure-driven condition
    Pang, Yan
    Lu, Yao
    Wang, Xiang
    Zhou, Qiang
    Ren, Yanlin
    Liu, Zhaomiao
    [J]. CHEMICAL ENGINEERING SCIENCE, 2021, 246
12345