Modeling of temporal evolution of Penning gas discharge plasma in molecular hydrogen at pressure 0.8 mtorr, anode voltage 800 V and axial magnetic field 330 G is performed in the paper. Simulation is carried out using 2D/3V axisymmetric electrostatic PIC-MCC method. Distinct feature of this work is the addition of dissociative ionization process to kinetic model of Penning gas discharge in molecular hydrogen. In the paper temporal evolution of electrostatic potential, field, charged particles number densities and temperatures in gas discharge chamber are given.
molecular hydrogen, atomic hydrogen, Penning discharge, low pressure, external magnetic field
Моделирование нестационарных процессов в разряде Пеннинга с использованием метода PIC-MCC
В работе выполнено моделирование временной эволюции плазмы разряда Пеннинга в молекулярном водороде при p = 0.8 мторр, анодном напряжении 800 В и внешнем осевом магнитном поле 330 Гс. Результаты получены с помощью 2D/3V метода частиц-в-ячейках. Элементарные процессы моделируются методом Монте-Карло. Отличительным свойством этой работы является включение процесса диссоциативной ионизации в модель разряда Пеннинга. Представлена временная эволюция электростатического потенциала, поля, плотности заряженных частиц и их температуры.
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