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| 引用本文： | 石中兵,丁玄同,刘泽田,郑银甲,杨青巍,肖维文,李英量.HL-2A??????????????????????????о?[J].核聚变与等离子体物理,2006,26(1):13-16. |
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| 作者姓名： | 石中兵 丁玄同 刘泽田 郑银甲 杨青巍 肖维文 李英量 |
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| 作者单位： | ??б? ,????? ,?????? ,?????,????Ρ ,Ф???,????? |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 利用调制送气过程中观察到的冷脉冲传播,研究了在HL-2A装置欧姆放电条件下的电子热输运。从扰动输运方程出发,分析了电子热输运过程,利用在实验中获得的数据,进行了曲线拟合和数值计算,得到了在HL-2A装置欧姆放电条件下强场侧电子热输运系数的分布特征为χ=15-14(1-r2)2m2.s-1。
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| 关 键 词： | 电子热输运 密度调制 冷脉冲传播 |
| 文章编号： | 0254-6086（2006）01-0013-04 |
| 收稿时间： | 2005-05-19 |
| 修稿时间： | 2005-05-192005-11-08 |
Study of electron heat transport by density modulation on HL-2A tokamak |
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| SHI Zhong-bing,DING Xuan-tong,LIU Ze-tian,ZHENG Ying-jia,YANG Qing-wei,XIAO Wei-wen,LI Ying-liang.Study of electron heat transport by density modulation on HL-2A tokamak[J].Nuclear Fusion and Plasma Physics,2006,26(1):13-16. |
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| Authors: | SHI Zhong-bing DING Xuan-tong LIU Ze-tian ZHENG Ying-jia YANG Qing-wei XIAO Wei-wen LI Ying-liang |
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| Institution: | (Southwestern Institute of Physics , Chengdu 610041) |
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| Abstract: | The electron heat transport is studied by analysis of observed cold pulse propagation during gas modulation in HL-2A ohmic discharge. The electron heat transport is analyzed using perturbation transport equation. According to the results of curve fitting and numerical calculation with the electron temperature perturbation measured from modulated gas puffing experiment during ohmic discharge on HL-2A tokamak, the character of the electron heat transport coefficient profile at high field side is χ = 15 -14 (1 -r 2)2m2 ·s -1 . |
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| Keywords: | Electron heat transport Density modulation Cold pulse propagation |
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