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核聚变与等离子体物理 ›› 2009, Vol. 29 ›› Issue (3): 203-207.

• 等离子体物理学 • 上一篇    下一篇

HL-2A装置同心圆线圈测量逆磁效应

谢炜民,季小全,冯北滨,董春凤,杨青巍   

  1. (核工业西南物理研究院,成都 610041)
  • 收稿日期:2009-01-16 修回日期:2009-05-11 出版日期:2009-09-15 发布日期:2010-08-18
  • 作者简介:谢炜民(1982–),男,河南鹤壁人,核工业西南物理研究院在读硕士研究生,主要从事磁测量方面工作。

Application of the concentric diamagnetic coils on HL-2A tokamak magnetic measurements

XIE  Wei-min, JI  Xiao-quan, FENG  Bei-bin, DONG  Chun-feng, YANG  Qing-wei   

  1. (Southwestern Institute of Physics, Chengdu 610041)
  • Received:2009-01-16 Revised:2009-05-11 Online:2009-09-15 Published:2010-08-18

摘要: 介绍了HL-2A装置上同心圆逆磁测量的原理以及同心圆系统的设计,包括线圈面积差的确定和积分电路的设计。对实验数据的分析表明,通过对杂散场的有效补偿,同心圆逆磁测量系统可获得较高的信噪比,能够在一些较复杂的放电条件下可靠地获取等离子体逆磁信号。

关键词: 同心圆逆磁线圈, 极向比压, 垂直平均动能, 能量约束时间

Abstract: The principle of magnetic measurements on the concentric coils of HL-2A tokamak, and the design of concentric circles system are introduced, including identification of the area difference for the coils and integral circuit design. Through an effective compensation for stray magnetic field, concentric circles diamagnetic measurement system can get a higher signal-to-noise ratio, and therefore reliable plasma diamagnetic signal in complex discharge conditions can be obtained.

Key words: Concentric diamagnetic coils, Poloidal beta, Vertical average kinetic energy, Energy confinement time

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