| LHCD和ECRH条件下的反常多普勒不稳定性 |
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| 引用本文： | 曹建勇,徐德明.LHCD和ECRH条件下的反常多普勒不稳定性[J].核聚变与等离子体物理,1994,14(3):40-46. |
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| 作者姓名： | 曹建勇 徐德明 |
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| 作者单位： | 四川成都核工业西南物理研究院 |
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| 摘 要： | 本文详述了ＨＬ－１托卡马克等离子体低混杂波驱动（ＬＨＣＤ）和电子回旋波加热（ＥＣＲＨ）条件下不同特征频率上的微波非热辐射。欧姆放电下，分析了由速度各向异性（νⅡ＞＞ν┴）引起的反常多普勒不稳定性，实验观察了在ＬＨＣＤ和ＥＣＲＨ条件下这种不稳定性的行为。运用反常用普勒不稳定性产生条件，本文讨论了ＬＨＣＤ条件下这种不稳定性受到抑制的可能物理机制。
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| 关 键 词： | 等离子体波 非热辐射 稳定性 |
THE ANOMALOUS DOPPLER INSTABILITY DURING LHCD AND ECRH EXPERIMENTS ON HL-1 TOKAMAK |
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| Cao Jianyong, Xu Deming, Ding Xuantong, Wang Enyao.THE ANOMALOUS DOPPLER INSTABILITY DURING LHCD AND ECRH EXPERIMENTS ON HL-1 TOKAMAK[J].Nuclear Fusion and Plasma Physics,1994,14(3):40-46. |
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| Authors: | Cao Jianyong Xu Deming Ding Xuantong Wang Enyao |
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| Abstract: | In this paper, the experiment results on HL-1 tokamak about nonthermal microwave emission have been investigated. The fluctuation of the magnetized plasma wave emission is related to the anomalous Doppler instability. During LHCD and ECRH, this instability is supperessed evidently. A series of emission phenomena have been studied and the physical mechanisms of these phenomena have been discussed. The suppression of the instability may be related to improved particle confinement during LHCD. No close relation between the suppression of the instability and the particle confinement was observed during ECRH. |
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| Keywords: | Magnetized plasma wave Anomalous Doppler resonance Nonthermal emission |
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