| HL-2A??????????估???????????о? |
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| 引用本文： | 程均,严龙文,洪文玉,钱俊.HL-2A??????????估???????????о?[J].核聚变与等离子体物理,2007,27(2):81-86. |
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| 作者姓名： | 程均 严龙文 洪文玉 钱俊 |
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| 作者单位： | ???????????????о??????? 610041?? |
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| 基金项目： | 国家自然科学基金资助项目(10235010) |
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| 摘 要： | 在一次稳定放电过程中利用快速扫描气动探针系统得到电子温度、密度、等离子体电位、极向电场以及它们的涨落、粒子通量、能量通量在径向的分布。研究了HL-2A装置边缘的静电涨落及其输运。实验结果指出,在等离子体边缘涨落量不服从玻耳兹曼关系,存在由于等离子体空间电位的梯度所产生的径向电场剪切层。分析了涨落对边缘约束的影响。
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| 关 键 词： | HL-2A装置 静电涨落 通量 |
| 文章编号： | 0254-6086（2007）02-0081-06 |
| 修稿时间： | 2006-06-072006-10-18 |
Experimental investigation of electrostatic fluctuation and related transport at the edge of HL-2A plasma |
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| CHENG Jun,YAN Long-wen,HONG Wen-yu,QIAN Jun.Experimental investigation of electrostatic fluctuation and related transport at the edge of HL-2A plasma[J].Nuclear Fusion and Plasma Physics,2007,27(2):81-86. |
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| Authors: | CHENG Jun YAN Long-wen HONG Wen-yu QIAN Jun |
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| Institution: | (Southwestern Institute of Physics??Chengdu 610041) |
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| Abstract: | The electrostatic fluctuation and related transport at the edge of HL-2A plasma have been investigated using the parameters such as electron temperature,electron density,plasma potential,their fluctuations,particle flux and energy flux,which are simultaneously measured in a single steady shot by means of fast reciprocating probe system.Analyzed fluctuation features including the Boltzmann relationship of edge parameters,the radial electron-field shearing induced by the gradients of plasma potential,and the influence of fluctuations on edge confinement are given. |
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| Keywords: | HL-2A tokamak Electrostatic fluctuation Flux |
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