Experimental evidence of improved confinement in a high-beta field-reversed configuration plasma by neutral beam injection
Experimental evidence of improved confinement in a high-beta field-reversed configuration plasma by neutral beam injection
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通过中性束注入改善高β场反转配置等离子体中的限制的实验证据
DOI：
10.1063/1.874121
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发表时间：
2000
影响因子：
2.2
通讯作者：
S. Gotô
中科院分区：
文献类型：
--
作者：
T. Asai;Y. Suzuki;T. Yoneda;F. Kodera;M. Okubo;S. Okada;S. Gotô
首次报道了高功率（14 kV，23 A）中性束注入高β场反转位形（FRC）的实验结果。结果表明，NB的注入改善了等离子体的性能，在相同的条件下，与普通FRC相比，配置寿命增加了200%以上。提出了一种用于FRC等离子体的新型NB注入系统。一组用于光束提取的三个凹形电极用于聚焦光束，使其能够通过狭窄的端口。束注入的目标是包含在镜比为2-9的镜场中的大口径FRC等离子体。
The first experimental result of high power (14 kV, 23 A) neutral beam (NB) injection into a high-beta field-reversed configuration (FRC) is demonstrated. The result makes it clear that the NB injection improves the plasma performance, increasing the configuration lifetime more than 200% in comparison with the ordinary FRC under similar conditions. A novel NB injection system is presented for application to FRC plasmas. A set of three concave electrodes for beam extraction is used to focus the beam enabling to pass through a narrow port. The target of beam injection is a large bore FRC plasma contained in a mirror field with a mirror ratio of 2–9.