Plasma shut-down with fast impurity puff on ASDEX Upgrade

Plasma shut-down with fast impurity puff on ASDEX Upgrade
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DOI：
10.1088/0029-5515/47/8/023
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发表时间：
2007-08
期刊：
Nuclear Fusion
影响因子：
3.3
通讯作者：
G. Pautasso;C. Fuchs;O. Gruber;C. Maggi;M. Maraschek;T. Pütterich;V. Rohde;C. Wittmann;E. Wo
G. Pautasso;C. Fuchs;O. Gruber;C. Maggi;M. Maraschek;T. Pütterich;V. Rohde;C. Wittmann;E. Wo
中科院分区：
物理与天体物理1区
文献类型：
--
作者：
G. Pautasso;C. Fuchs;O. Gruber;C. Maggi;M. Maraschek;T. Pütterich;V. Rohde;C. Wittmann;E. Wo

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向等离子体中大量注入杂质气体已被证明可以减少托卡马克中由破裂引起的力和局部热负荷。该缓解系统通常用于ASDEX升级，以锁定模式关闭等离子体。本文讨论了等离子体对杂质注入的响应和机械力减小的机理。
The massive injection of impurity gas into a plasma has been proved to reduce forces and localized thermal loads caused by disruptions in tokamaks. This mitigation system is routinely used on ASDEX Upgrade to shut down plasmas with a locked mode. The plasma response to impurity injection and the mechanism of reduction of the mechanical forces is discussed in the paper.