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Numerical Simulation of Glow Discharge in a Magnetic Field Through the Solution of the Boltzmann Equation

机译：通过Boltzmann方程求解磁场中辉光放电的数值模拟

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Numerical simulation model of a Direct Current Discharge (DCD) in external magnetic field is used for analysis of behavior of normal DCD at the initial time instants after switching-on of transversal magnetic field. Numerical simulation results are presented for two-dimensional glow discharge at pressure 5 Torr, Emf of power supply of 2 kVolt, and magnetic field induction of B = 0.05 T. The model is based on the diffusion-drift theory of gas discharge consisting of continuity and momentum conservation equations for electron and ion fluids, as well as the Poisson equation for the self-consistent electric field. Feature of our approach is to calculate electron transport coefficients for diffusion-drift model by solving the electron Boltzmann equation. It is shown that the switching-on of transversal magnetic field gives rise to the DCD plasma oscillations. The plasma oscillations are observed also in moving DCD in perpendicular direction to applied electric and magnetic field.
机译：使用外部磁场中的直流放电（DCD）的数值模拟模型来分析横向磁场接通后的初始时刻的正常DCD行为。给出了压力为5 Torr时的二维辉光放电，2 kVolt的电源Emf和B = 0.05 T的磁场感应的数值模拟结果。该模型基于气体放电的扩散漂移理论，包括连续性电子和离子流体的动量守恒方程，以及自洽电场的泊松方程。我们方法的特征是通过求解电子玻尔兹曼方程来计算扩散-漂移模型的电子传输系数。结果表明，横向磁场的接通会引起DCD等离子体振荡。在垂直于施加的电场和磁场的方向移动DCD时，也观察到等离子体振荡。

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