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核聚变与等离子体物理 ›› 2011, Vol. 31 ›› Issue (3): 213-218.

• 等离子体物理学 • 上一篇    下一篇

EAST中性束注入快离子损失研究

李吉波,丁斯晔,王进芳,吴 斌,胡纯栋   

  1. (中国科学院等离子体物理研究所,合肥 230031)
  • 收稿日期:2010-09-28 修回日期:2011-02-25 发布日期:2011-09-15
  • 作者简介:李吉波(1986-),男,甘肃张掖人,博士研究生,主要从事中性束注入与高能粒子约束相关研究。
  • 基金资助:

    国家自然科学基金资助项目(10975160)

Study on the loss of neutral beam injected fast ions in EAST

LI Ji-bo, DING Si-ye, WANG Jin-fang, WU Bin, HU Chun-dong   

  1. (Institute of Plasma Physics, Chinese Academy of Science, Hefei 230031)
  • Received:2010-09-28 Revised:2011-02-25 Published:2011-09-15

摘要:

利用经典导心轨道程序ORBIT,结合平衡程序EFIT和输运程序TRANSP,计算了EAST中性束注入后快离子的损失情况。结果表明,4MW(80keV)氘离子的损失份额为29%,2MW(50keV)氘离子的损失份额为31%,损失的快离子有很强的局域性。

关键词: 中性束注入, 快离子损失, 导心轨道程序

Abstract:

By means of classical guiding center orbit code ORBIT and combining with equilibrium code EFIT, as well as transport code TRANSP, the loss of neutral beam injected fast ions in EAST is calculated. 29% and 31% of the injected neutral beam ions were lost, with the beam power and energy given by 4MW (80keV) and 2MW (50keV), respectively, and the lost fast ions are strongly localized.

Key words: Neutral beam injection, Loss of fast ions, Guiding center code

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