Lattice Boltzmann method for weakly ionized isothermal plasmas
Journal Article
·
· Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics (Print)
- Department of Mechanical Engineering, Michigan State University, East Lansing, Michigan 48824-1226 (United States)
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.
- OSTI ID:
- 21101968
- Journal Information:
- Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics (Print), Journal Name: Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics (Print) Journal Issue: 6 Vol. 76; ISSN 1539-3755
- Country of Publication:
- United States
- Language:
- English
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