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FEB-E动态气靶偏滤器的研究
引用本文:朱毓坤,周小兵,黄锦华,冯开明,邓培智,霍铁军. FEB-E动态气靶偏滤器的研究[J]. 核聚变与等离子体物理, 2000, 20(2): 73-80
作者姓名:朱毓坤  周小兵  黄锦华  冯开明  邓培智  霍铁军
作者单位:核工业西南物理研究院,成都,610041;核工业西南物理研究院,成都,610041;核工业西南物理研究院,成都,610041;核工业西南物理研究院,成都,610041;核工业西南物理研究院,成都,610041;核工业西南物理研究院,成都,610041
基金项目:新材料领域项目,中国科学院资助项目,863-614-03-02,19685007,,
摘    要:在FEB-E设计阶段,偏波器从开放式固定板靶优化为封闭式气体靶,以改善偏滤器的杂质控制和增加离子与气体的相互作用,通过喷气和注入杂质获得的部分脱靶等离子体形成了动态气体靶,喷气能降低删削层(SOL)处等离子体温度,沪入的杂质增加了SOL处的辐射功率,使靶板的负载降低,用NEWT1D编码模拟了SOL处等离子体和杂质(硼杂质)的输运,得到了杂质、等离本温度和等离了体密度分布。着眼于杂质的滞留物辐射,优

关 键 词:FEB-E偏滤器  喷气  杂质注入  脱靶等离子体
文章编号:0254-6086(2000)02-0073-08
修稿时间:1999-06-14

SYUDY OF THE DYNAMIC GAS TARGET DIVERTOR IN THE FEB-E
ZHU Yu-kun,ZHOU Xiao-bing,HUANG Jin-hua,FENG Kai-ming,DENG Pei-zhi,HUO Tie-jun. SYUDY OF THE DYNAMIC GAS TARGET DIVERTOR IN THE FEB-E[J]. Nuclear Fusion and Plasma Physics, 2000, 20(2): 73-80
Authors:ZHU Yu-kun  ZHOU Xiao-bing  HUANG Jin-hua  FENG Kai-ming  DENG Pei-zhi  HUO Tie-jun
Affiliation:ZHU Yu-kun,ZHOU Xiao-bing,HUANG Jin-hua,FENG Kal-ming,DENG Pei-zhi,HUO Tie-jun(Southwestern Institute of Physics, Chengdu 610041)
Abstract:In order to improve the impurity control and to increase the interaction of ions with neutral gas in the FEB divertor, the divertor is optimized to be the close type in the engineering design rather than the open one in the conceptual design. The partially detached plasma obtained by means of combination of gas puffing and impurity injection serves as a dynamic gas target, Puffing gas can reduce the plasma temperature in the serape-0ff layer (SOL). Injected impurity can increase the radiation power in SOL. Both of them make the heat load on the plate target smaller. The transport of plasma and impurity in SOL is simulated with NEWTID code. Profiles of impurity (here is boron) and plasma temperature and plasma density are obtained. The position of puffing gas is optimized to be at the torus mid-plane with the view of impurity retention and radiation in the SOL region, The effect of boron impurity injection is evaluated from the reduced heat load on the divertor target.
Keywords:FEB-E divertor   Puffing gas   Impurity injection   Detached plasma
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