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Investigation on plasma structure evolution and discharge characteristics of a single-stage planar-pulsed-inductive accelerator under ambient fill conditionProject supported by the Hunan Provincial Natural Science Foundation of China (Grant No. 2018JJ3592).
Chinese Physics B ( IF 1.7 ) Pub Date : 2020-11-17 , DOI: 10.1088/1674-1056/ab9f2a
Xiao-Kang Li , Bi-Xuan Che , Mou-Sen Cheng , Da-Wei Guo , Mo-Ge Wang , Yun-Tian Yang

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.



中文翻译:

环境填充条件下单级平面脉冲感应加速器等离子体结构演化与放电特性研究湖南省自然科学基金项目(2018JJ3592)。

研究了单级平面脉冲感应加速器的物理过程。测量包括电路电流波形、电容器电压、等离子体辐射强度和高速相机拍摄的时间等离子体结构照片。实验是在使用氩气作为推进剂的静态环境填充条件下进行的。比较电容器电压和气体压力的变化值。进一步的讨论量化了电路和等离子体之间的 EM 相互作用,以及它们的能量沉积和电流片加速。根据实验结果,从理论上分析了初始电离阶段和随后的加速阶段的物理机制。

更新日期:2020-11-17
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