Development of negative-ion based NBI system for JT-60

被引:45
作者
Kuriyama, M [1 ]
Akino, N
Ebisawa, N
Grisham, L
Hu, LQ
Honda, A
Itoh, T
Kawai, M
Kazawa, M
Mogaki, K
Ohara, Y
Ohga, T
Ohmori, K
Okumura, Y
Oohara, H
Usui, K
Watanabe, K
机构
[1] Japan Atom Energy Res Inst, Naka Fus Res Estab, Naka, Ibaraki 3110193, Japan
[2] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA
[3] Acad Sinica, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
关键词
negative-ion; ion sources; neutral beam injection; plasma heating; current drive; beamline; JT-60; TOKAMAK;
D O I
10.3327/jnst.35.739
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
The negative-ion based neutral beam injector (N-NBI) for JT-60 has been developed for plasma core heating and neutral beam current drive in higher density plasmas. Construction of the N-NBI system was completed in 1996, and just after this completion, the efforts to increase beam power and beam energy started. The N-NBI system has already operated with negative ion beams with 14.3 A at 380 keV of deuterium and with 18.5 A at 360 keV of hydrogen. During N-NBI experiments on JT-60, a deuterium neutral beam power of 5.2 MW at 350 keV has been injected for 0.7 s stably, and the response of the JT-60 plasma to high energy beam injection with the N-NBI has been confirmed to be in agreement with a theoretical prediction.
引用
收藏
页码:739 / 749
页数:11
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