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VACUUM ›› 2020, Vol. 57 ›› Issue (4): 54-59.doi: 10.13385/j.cnki.vacuum.2020.04.12

• Measurement and Control • Previous Articles     Next Articles

Numerical Simulation and Analysis of Discharge Plasma in Hall Thruster

ZHAO Jie1,2, XV Li1,2, LI Jian1,2, WANG Kun1,2, WANG Shi-qing1   

  1. 1. The Engineering and Technical College, Chengdu University of Technology, Leshan 614007, China;
    2. Southwestern Institute, Physics, Chengdu 610041, China
  • Received:2019-07-22 Online:2020-07-25 Published:2020-07-23

Abstract: In order to study the discharge process and plasma distribution in Hall thruster channel, a two-dimensional simulation model of Hall thruster was established. The number density and velocity distribution of the Xe+ and Xe++, current density distribution, potential distribution and electron temperature distribution in the thruster channel were obtained. The discharge process in the thruster was observed from the change of number density distribution of the Xe+ and Xe++ at different time. The results show that the specific impulse is about 1300S when the discharge is 1300V and 4. 2A, and the gas flow rate is 42SCCM. The results are in good agreement with the experimental and numerical results reported in the literature. On the one hand, the validity of the model in numerical simulation of Hall thruster is verified. On the other hand, the detailed discharge plasma parameters in the steady Hall thruster is obtained.

Key words: plasma, thruster, numerical simulation, specific impulse

CLC Number: 

  • V439
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