Experimental study of plasma gun-assisted field-reversed configuration formation

作者：Chaoqi Hu, Hui Liao, Yilin Li, Xuan Sun · 发表于：Physics of Plasmas · 年份：2022 · DOI：10.1063/5.0097895 · 被引用次数：1 · 研究领域：Magnetic confinement fusion research、Fusion materials and technologies、Laser-Plasma Interactions and Diagnostics

The field-reversed configuration (FRC) is a compact toroidal plasma system related to the research of alternative fusion reactors. Improving the FRC formation, which is critical to the improvement of its overall quality, is reported in this paper by using a plasma gun to assist the pre-ionization process. For the single-translated FRC, the poloidal magnetic flux increases around 30%, accompanied by an increase in the separatrix radius and plasma density, while its translation speed is found to decrease slightly. The estimated increase in particle inventory is more than 60%. The improvement of these parameters also extends the lifetime of the FRC.