| 低杂波驱动电流在托卡马克中的分布 |
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| 引用本文： | 印永祥,丁厚昌.低杂波驱动电流在托卡马克中的分布[J].物理学报,1987,36(2):230-236. |
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| 作者姓名： | 印永祥 丁厚昌 |
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| 作者单位： | 中国西南物理研究所 |
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| 摘 要： | 本文考虑了大振幅波场对电子的捕获引起的朗道阻尼共振区下限速度下移的机制,并用射线跟踪法计算了低杂波在托卡马克中传播轨迹上的能量沉积。根据能量沉积与低杂波驱动电流的焦耳热效应之间的关系,求出了驱动电流在托卡马克中的径向分布。计算结果与PLT,JFT-2的实验结果符合较好,对HL-1的计算结果也比较令人乐观。
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| 收稿时间： | 4/3/1986 12:00:00 AM |
PROFILE OF CURRENT DRIVEN BY LOWER HYBRID WAVES IN TOKAMAKS |
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| YIN RONG-XIANG and DIN HOU-CHANG.PROFILE OF CURRENT DRIVEN BY LOWER HYBRID WAVES IN TOKAMAKS[J].Acta Physica Sinica,1987,36(2):230-236. |
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| Authors: | YIN RONG-XIANG and DIN HOU-CHANG |
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| Abstract: | The downshift of lower velocity limit of resonant electrons in Landau damping due to the trapping of electrons in the potential barrier formed by the large-amplitude electrostatic waves is considered. By means of the ray-tracing method, the energy deposition of LHW on its trajectory in tokamks is computed. Considering the balance between the energy deposition and the Joule heating effect of the LHW driven current, the profile of LHW driven current in tokamaks has been obtained. The calculated results about PLT and JFT-2 are in agreement with the experimental results. For HL-1 device the computed results is also optimistic. |
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