Investigation on plasma structure evolution and discharge characteristics of a single-stage planar-pulsed-inductive accelerator under ambient fill condition

doi:10.1088/1674-1056/ab9f2a

中国物理B ›› 2020, Vol. 29 ›› Issue (11): 115201-.doi: 10.1088/1674-1056/ab9f2a

Xiao-Kang Li(李小康)¹, Bi-Xuan Che(车碧轩)¹^,†(), Mou-Sen Cheng(程谋森)¹, Da-Wei Guo(郭大伟)¹, Mo-Ge Wang(王墨戈)¹, Yun-Tian Yang(杨云天)¹

收稿日期:2020-05-15 修回日期:2020-06-09 接受日期:2020-06-23 出版日期:2020-11-05 发布日期:2020-11-03

Investigation on plasma structure evolution and discharge characteristics of a single-stage planar-pulsed-inductive accelerator under ambient fill condition

Xiao-Kang Li(李小康), Bi-Xuan Che(车碧轩)^†, Mou-Sen Cheng(程谋森), Da-Wei Guo(郭大伟), Mo-Ge Wang(王墨戈), and Yun-Tian Yang(杨云天)

College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China

Received:2020-05-15 Revised:2020-06-09 Accepted:2020-06-23 Online:2020-11-05 Published:2020-11-03
Contact: ^†Corresponding author. E-mail: chebixuan@outlook.com
Supported by:
the Hunan Provincial Natural Science Foundation of China (Grant No. 2018JJ3592).

摘要/Abstract

Abstract:

The physical process of a single-stage planar-pulsed-inductive accelerator is investigated. Measurements include the waveforms of circuit current, capacitor voltage, plasma radiation intensity, and temporal plasma structure photos captured by a high-speed camera. Experiments are conducted under static ambient fill condition using argon as propellant. Varied values of capacitor voltage and gas pressure are compared. Further discussions quantify the EM interaction between circuit and plasma, as well as their energy deposition and current sheet acceleration. Based on the results of experiments, physical mechanisms of the initial ionization phase and the following acceleration phase are analyzed theoretically.

Key words: electric propulsion, pulsed-inductive thruster, discharge characteristics, plasma structure

Xiao-Kang Li(李小康), Bi-Xuan Che(车碧轩), Mou-Sen Cheng(程谋森), Da-Wei Guo(郭大伟), Mo-Ge Wang(王墨戈), Yun-Tian Yang(杨云天). [J]. 中国物理B, 2020, 29(11): 115201-.

Xiao-Kang Li(李小康), Bi-Xuan Che(车碧轩), Mou-Sen Cheng(程谋森), Da-Wei Guo(郭大伟), Mo-Ge Wang(王墨戈), and Yun-Tian Yang(杨云天). Investigation on plasma structure evolution and discharge characteristics of a single-stage planar-pulsed-inductive accelerator under ambient fill condition[J]. Chin. Phys. B, 2020, 29(11): 115201-.

图/表 14

参考文献 24

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Drive-coil inductance	Total capacitance	Parasitic resistance	Parasitic inductance
L_C/nH	C/μF	R₀/mΩ	L₀/nH
378	8	13	123

Investigation on plasma structure evolution and discharge characteristics of a single-stage planar-pulsed-inductive accelerator under ambient fill condition

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