Hotspot temperature calculation and quench analysis on ITER busbar

Hotspot temperature calculation and quench analysis on ITER busbar
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ITER母线热点温度计算及失超分析

DOI:
10.1016/j.fusengdes.2014.08.013
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发表时间:
2014-12
影响因子:
1.7
通讯作者:
S.T. Wu
S.T. Wu
中科院分区:
工程技术3区
文献类型:
--
作者:
J. Rong;X.Y. Huang;Y.T. Song;S.T. Wu

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对ITER馈线母线进行了分析,采用经典方法计算了母线在附加铜(铜绞线)为0%、50%、75%和100%时的热点温度。采用一维Gandalf程序对母线失超行为进行了数值模拟,并在Gandalf输入文件中以初始外热作为初始外热,采用经典方法估算了母线失超能量。分析了无氦气、含铜量为0%、50%和100%时的温度场和导线的正常长度。通过对不同附加铜量情况下的热点温度、导体温度和正常长度的对比,说明了附加铜量在失超保护中的重要作用。
This paper describes the analysis of ITER feeder busbar, the hotspot temperature of busbar is calculated by classical method in the case of 0%, 50%, 75% and 100% extra copper (copper strands). The quench behavior of busbar is simulated by 1-D Gandalf code, and the MQE (minimum quench energy) is estimated in classical method as initial external heat in Gandalf input file. The temperature and the normal length of conductor are analyzed in the case of 0%, 50% and 100% extra copper and no helium. By hotspot temperature, conductor temperature and normal length are contrasted in different extra copper cases, it is shown that the extra copper play an important role in quench protecting.
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