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Ki, Hyungson
Laser Processing & Multiphysics Systems Laboratory
Research Interests
  • Laser materials processing
  • Laser material interaction

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Lattice Boltzmann method for weakly ionized isothermal plasmas

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Title
Lattice Boltzmann method for weakly ionized isothermal plasmas
Author
Huayu LiKi, Hyungson
Keywords
FLUID-FLOWS; EQUATION; MODEL; MAGNETOHYDRODYNAMICS; PROGRESS
Issue Date
2007-12
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW E, v.76, no.6, pp.066707 -
Abstract
In this paper, a lattice Boltzmann method (LBM) for weakly ionized isothermal plasmas is presented by introducing a rescaling scheme for the Boltzmann transport equation. Without using this rescaling, we found that the nondimensional relaxation time used in the LBM is too large and the LBM does not produce physically realistic results. The developed model was applied to the electrostatic wave problem and the diffusion process of singly ionized helium plasmas with a 1-3% degree of ionization under an electric field. The obtained results agree well with theoretical values.
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DOI
10.1103/PhysRevE.76.066707
ISSN
2470-0045
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