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核聚变与等离子体物理 ›› 2009, Vol. 29 ›› Issue (1): 10-15.

• 等离子体物理学 • 上一篇    下一篇

HL-2A等离子体的热辐射测量

李雪泓,李 伟,刘 仪   

  1. (核工业西南物理研究院,成都 610041)
  • 收稿日期:2008-01-22 修回日期:2008-08-19 出版日期:2009-03-15 发布日期:2010-05-24
  • 作者简介:李雪泓(1981-),女,山东烟台人,在读硕士,研究方向:等离子体测量。

Measurement of plasma radiation on the HL-2A tokamak

LI Xue-hong,LI Wei,LIU Yi   

  1. (Southwestern Institute of Physics, Chengdu 610041)
  • Received:2008-01-22 Revised:2008-08-19 Online:2009-03-15 Published:2010-05-24

摘要: 对HL-2A装置限制器位形和偏滤器位形下放电气体分别为氘和氦时的等离子体热辐射测量结果做了初步分析,分析结果表明:在偏滤器室注入惰性气体能够有效的降低到达靶板的热辐射;超声分子束注入时,观测到注入粒子在等离子体中输运过程;氦放电时的辐射比值明显高于氘放电时的比值;真空室器壁的处理能够有效地降低辐射损失,硅化对器壁条件的改善效果明显。

关键词: 热辐射测量, AXUV探测器, 偏滤器, 超声分子束, 硅化

Abstract: The plasma radiation measurements under different discharge conditions, such as limiter configuration or divertor configuration, deuterium or helium discharges, have been performed on the HL-2A tokamak. The experiment results show that the radiation power in outer divertor is decreased when inert gases are injected into the divertor chamber, the transport of the injected particle from the edge to center is observed during SMBI, the ratios of radiated power between the main plasma and the input power, Prad/POH, in ohmic heated helium discharges is larger than that in deuterium discharge, and the siliconization is good for improving the wall condition.

Key words: Bolometer, AXUV detector, Divertor, SMBI, Siliconization

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