| HT-7上射频波加热时中子辐射行为的研究 |
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| 引用本文： | 钟国强,胡立群,王相綦,李晓玲,林士耀,许平,段艳敏,毛松涛,张继忠.HT-7上射频波加热时中子辐射行为的研究[J].物理学报,2011,60(1):12901-012901. |
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| 作者姓名： | 钟国强 胡立群 王相綦 李晓玲 林士耀 许平 段艳敏 毛松涛 张继忠 |
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| 作者单位： | (1)中国科学技术大学核科学技术学院,合肥 230029; (2)中国科学技术大学核科学技术学院,合肥 230029;中国科学院等离子体物理研究所,合肥 230031; (3)中国科学院等离子体物理研究所,合肥 230031 |
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| 基金项目： | 国家自然科学基金重点项目(批准号:10935004)和国家自然科学基金(批准号:10775041, 10675124)资助的课题. |
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| 摘 要： | HT-7超导托卡马克进行DD等离子体放电时,中子的辐射与辅助加热射频波的类型(LHW加热、ICRF加热)及功率密切相关.利用BF3与3He正比计数管组成的快速时间分辨中子注量监测系统,研究了不同类型的射频加热对于中子产生机理及高能离子形成的影响.LHW加热功率较低时,易形成逃逸,产生大量的光中子.特定频率的ICRF(27 MHz,24 MHz)加热时,聚变中子所占份额以及总的中子产额均随波功率的增大而显著增涨.
关键词：
射频加热
中子
托卡马克
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| 关 键 词： | 射频加热 中子 托卡马克 |
| 收稿时间： | 1/8/2010 12:00:00 AM |
| 修稿时间： | 3/3/2010 12:00:00 AM |
Study of neutron radiation behavior for RF heating on HT-7 |
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| Zhong Guo-Qiang,Hu Li-Qun,Wang Xiang-Qi,Li Xiao-Ling,Lin Shi-Yao,Xu Ping,Duan Yan-Min,Mao Song-Tao,Zhang Ji-Zhong.Study of neutron radiation behavior for RF heating on HT-7[J].Acta Physica Sinica,2011,60(1):12901-012901. |
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| Authors: | Zhong Guo-Qiang Hu Li-Qun Wang Xiang-Qi Li Xiao-Ling Lin Shi-Yao Xu Ping Duan Yan-Min Mao Song-Tao Zhang Ji-Zhong |
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| Institution: | School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029,China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029,China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China |
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| Abstract: | Neutron radiation was specially correlated with the type and the power of the radio frequency ( RF) heating for deuterium plasma on HT-7 tokamak. We hare researched the production mechanism of the fast neutron under different RF heating conditions by the fast time-resolved neutron flux measurement system make up of BF3 and 3He proportional counters. Lower power of LHW heating was apt to bring abont runaway discharge and produce a mass of photoneutrons. The rate of fusion neutron and the total neutron yield ... |
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| Keywords: | radio frequency heating neutron tokamak |
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