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Lattice Boltzmann Simulation Of Viscous Dissipation In Electro-Osmotic Flow In Microchannels

Author

Listed:
  • ZHEN-HUA CHAI

    (State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China)

  • BAO-CHANG SHI

    (Department of Mathematics, Huazhong University of Science and Technology, Wuhan 430074, China)

  • LIN ZHENG

    (Department of Mathematics, Huazhong University of Science and Technology, Wuhan 430074, China)

Abstract

In this paper, the effects of viscous dissipation in electro-osmotic flow in microchannels are numerically analyzed with lattice Boltzmann method (LBM), and three different lattice Boltzmann models that can recover the macroscopic governing equations for electro-osmotic flow (EOF) are proposed. As the dimensions of the channels approach the microlevel, viscous dissipation could be significant due to a high velocity gradient in electric double layer (EDL). Numerical results show that viscous dissipation plays an important role in EOF in microchannels.

Suggested Citation

  • Zhen-Hua Chai & Bao-Chang Shi & Lin Zheng, 2007. "Lattice Boltzmann Simulation Of Viscous Dissipation In Electro-Osmotic Flow In Microchannels," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 18(07), pages 1119-1131.
    • Handle: RePEc:wsi:ijmpcx:v:18:y:2007:i:07:n:s0129183107011200
    DOI: 10.1142/S0129183107011200
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    Cited by:

    1. Hassanzadeh Saraei, Sina & Chamkha, Ali & Dadvand, Abdolrahman, 2021. "Controlling the hydrodynamic forces on a square cylinder in a channel via an upstream porous plate," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 185(C), pages 272-288.
    2. Rahmati, A.R. & Khorasanizadeh, H. & Arabyarmohammadi, M.R., 2021. "Application of lattice Boltzmann method to simulate a pressure-affected electroosmotic pump with hydrophobic thermally-jumped walls and temperature-sensitive operating fluid," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 181(C), pages 284-297.

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