Simulation of propagation of the HPM in the low-pressure argon plasma

Zhigang LI (李志刚); Zhongcai YUAN (袁忠才); Jiachun WANG (汪家春); Jiaming SHI (时家明)

doi:10.1088/2058-6272/aa93f8

Plasma Science and Technology > 2018 > 20(2): 25401-025401. > DOI: 10.1088/2058-6272/aa93f8

Zhigang LI (李志刚), Zhongcai YUAN (袁忠才), Jiachun WANG (汪家春), Jiaming SHI (时家明). Simulation of propagation of the HPM in the low-pressure argon plasma[J]. Plasma Science and Technology, 2018, 20(2): 25401-025401. DOI: 10.1088/2058-6272/aa93f8

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Simulation of propagation of the HPM in the low-pressure argon plasma

State Key Laboratory of Pulsed Power Laser Technology, Hefei 230037, People’s Republic of China

Funds: This work is supported by National High Technology Research and Development Program of China (Grant No. 2015AA8016029A).

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Received Date: July 05, 2017

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Abstract

Abstract

The propagation of the high-power microwave (HPM) with a frequency of 6 GHz in the low-pressure argon plasma was studied by the method of fluid approximation. The two-dimensional transmission model was built based on the wave equation, the electron drift-diffusion equations and the heavy species transport equations, which were solved by means of COMSOL Multiphysics software. The simulation results showed that the propagation characteristic of the HPM was closely related to the average electron density of the plasma. The attenuation of the transmitted wave increased nonlinearly with the electron density. Specifically, the growth of the attenuation slowed down as the electron density increased uniformly. In addition, the concrete transmission process of the HPM wave in the low-pressure argon plasma was given.
- low-pressure argon plasma,
- high-power microwave,
- protection application

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References (14)

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