High-efficiency plasma refuelling by pellet injection from the magnetic high-field side into ASDEX upgrade

被引：181
作者：
Lang, PT
Buchl, K
Kaufmann, M
Lang, RS
Mertens, V
Muller, HW
Neuhauser, J
机构：
[1] Max-Planck-Institut für Plasmaphysik, EURATOM-IPP Association, Garching
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 08期
关键词：
D O I：
10.1103/PhysRevLett.79.1487
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
High-efficiency refuelling of ELMy H-mode tokamak discharges with solid deuterium pellets injected from the magnetic high-field side is demonstrated. Compared to standard low-field side injection, the fuelling efficiency was enhanced by a factor of 4, the pellet penetration more than 2 times. This experimental result can be qualitatively explained by the magnetic force pushing a diamagnetic plasma cloud towards lower magnetic field, causing rapid particle loss for shallow low-field side injection, but enhancing fuelling efficiency and pellet penetration for high-field side injection.
引用
收藏
页码：1487 / 1490
页数：4
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