HL-2A装置偏滤器位形超声分子束注入深度观测

核聚变与等离子体物理 ›› 2008, Vol. 28 ›› Issue (2): 97-100.

• 等离子体物理学 • 下一篇

HL-2A装置偏滤器位形超声分子束注入深度观测

冯北滨，姚良骅，李伟，陈程远，冯震

(核工业西南物理研究院，成都 610041)

收稿日期:2007-09-10 修回日期:2008-02-28 出版日期:2008-06-15 发布日期:2011-02-21
作者简介:冯北滨(1961-)，男，山东淄博人，硕士，研究员级高工，主要从事托卡马克等离子体加料及诊断工作。
基金资助:
国家自然科学基金资助项目(10475024)

Observations of SMBI penetration depth in the HL-2A tokamak with divertor configuration

FENG Bei-bin, YAO Liang-hua, LI Wei, CHEN Cheng-yuan, FENG Zhen

(Southwestern Institute of Physics, Chengdu 610041)

Received:2007-09-10 Revised:2008-02-28 Online:2008-06-15 Published:2011-02-21

摘要/Abstract

摘要：

用22道H_α辐射测量阵列观测了HL-2A装置偏滤器位形超声分子束的注入过程。观测结果表明：在HL-2A装置偏滤器位形下，当分子束注入气源压强大于1MPa时，H_α辐射沿径向分布存在两个峰值，其第二个H_a辐射峰值位于r/a~0.8附近，表明大部分氢粒子在等离子体边缘(SOL区域)即被离解或电离，但仍有部分氢粒子沉积在分界面内5cm。

关键词: 超声分子束注入；托卡马克；偏滤器；H_&alpha, 辐射

Abstract:

The penetration depth of supersonic molecule beam injection (SMBI) is observed by using a set of detector array, which is composed of 22-channel H_α detectors, in the HL-2A tokamak with divertor configuration. The results show that there are two H_αemission peaks in the radial direction when the gas backing pressure is more than 1MPa, the second peak is localized at r/a~0.8, which indicates that there are still some hydrogen particles penetrating into the separatrix over 5cm even though more particles are dissociated or ionized at the edge plasma (SOL) region.

Key words: Supersonic molecular beam injection, HL-2A tokamak, Divertor, H_&alpha, emission

中图分类号:

冯北滨，姚良骅，李伟，陈程远，冯震. HL-2A装置偏滤器位形超声分子束注入深度观测[J]. 核聚变与等离子体物理, 2008, 28(2): 97-100.

FENG Bei-bin, YAO Liang-hua, LI Wei, CHEN Cheng-yuan, FENG Zhen. Observations of SMBI penetration depth in the HL-2A tokamak with divertor configuration[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2008, 28(2): 97-100.

HL-2A装置偏滤器位形超声分子束注入深度观测

Observations of SMBI penetration depth in the HL-2A tokamak with divertor configuration

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