Particle Simulation Model for Self-Field Magnetoplasmadynamic Thruster

被引：4

作者：

Li, Jian ^{[1
]}

Zhang, Yu ^{[1
]}

Wu, Jianjun ^{[1
]}

Cheng, Yuqiang ^{[1
]}

Du, Xinru ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Aerosp Sci & Engn, Changsha 410073, Hunan, Peoples R China

来源：

ENERGIES | 2019年 / 12卷 / 08期

基金：

中国国家自然科学基金;

关键词：

self-field magnetoplasmadynamic thruster; particle-in-cell; Monte Carlo collision; discharge plasma; particle simulation; sheath; CROSS-SECTIONS; ARGON;

D O I：

10.3390/en12081579

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In order to clarify the discharge principle of the self-field magnetoplasmadynamic thruster (MPDT), a two-dimensional axisymmetric particle-in-cell/Monte Carlo collision (PIC/MCC) model is proposed. The spatial distribution and the collision characteristics of discharge plasma were calculated using this model. In addition, the influence of the operation parameters on the plasma was analyzed including the voltage and mass flow rate. The effectiveness of the model was verified by comparison to the experimentally induced magnetic field. It was found that the electrons were mainly accelerated by the electric field in the cathode sheath and the electric field shielding effect of plasma was obvious in the bulk plasma region. Due to the pinch effect, the charged particles were constrained near the cathode. The results of the present work implied that the PIC/MCC model provides an approach to investigate the plasma distribution and a kinetic description of particles for the discharge of the self-field MPDT.

引用

页数：14

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