| HL-1装置脉冲送气的数值研究 |
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| 引用本文： | 李漱碚.HL-1装置脉冲送气的数值研究[J].核聚变与等离子体物理,1988(2). |
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| 作者姓名： | 李漱碚 |
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| 作者单位： | 西南物理研究所 四川 |
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| 摘 要： | 本文采用一维等离子体输运模型,研究了脉冲送气对HL-1装置等离子体的影响。脉冲送气使等离子体密度提高1—2倍,能量约束时间增长50％,离子温度也有所提高;脉冲送气过程中,等离子体边缘迅速冷却,电流通道收缩,中心区域电子温度平直化。
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| 关 键 词： | 脉冲送气 箍缩效应 粒子再循环 |
NUMERICAL STUDIES OF THE EFFECT OF GAS PUFFING ON THE HL-1 TOKAMAK PLASMA |
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| LI Subei.NUMERICAL STUDIES OF THE EFFECT OF GAS PUFFING ON THE HL-1 TOKAMAK PLASMA[J].Nuclear Fusion and Plasma Physics,1988(2). |
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| Authors: | LI Subei |
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| Abstract: | Using a 1-D plasma transport model, effects of gas puffing on the HL-1 plasma are studied numerically. The results show that by gas puffing the plasma density and the total energy confinement time can be increased 1-2 times and 50%, respectively, and the ion temperature can rise to some extent. During gas puffing the edge plasma cools rapidly, the current channel shrinks and the profile of the electron temperature in the central region flattens, Comparison with experimental observations is made. |
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| Keywords: | Gas puffing Pinch effect Particle recycling |
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