Lattice Boltzmann model for axisymmetric electrokinetic flows

Xuguang Yang (), Ting Zhang () and Yuze Zhang
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Xuguang Yang: School of Mathematics and Statistics, Hunan First Normal University, Changsha 410205, P. R. China
Ting Zhang: College of Sciences, Wuhan University of Science and Technology, Wuhan 430074, P. R. China
Yuze Zhang: School of Mathematical Sciences, Nanjing Normal University, Nanjing 210023, P. R. China

International Journal of Modern Physics C (IJMPC), 2023, vol. 34, issue 08, 1-15

Abstract: The axisymmetric electrokinetic flows are of great importance in Micro-Electro-Mechanical System (MEMS). In this paper, the Nernst–Planck (NP) model under the cylindrical coordinate system is used to describe the axisymmetric electrokinetic flows. Furthermore, a coupled lattice Boltzmann method (LBM) is proposed to solve the axisymmetric NP model. To validate the capacity of the proposed coupled LBM, the axisymmetric electrokinetic flows in circular tubes and annular ducts are numerically studied. The numerical results agree well with the reported numerical data.

Keywords: Lattice Boltzmann method; axisymmetric electrokinetic flows; Nernst–Planck model (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S0129183123501012

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