| HT-7装置上充气对低杂波耦合影响的实验及分析 |
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| 引用本文： | 李妙辉,丁伯江,李文科,孔二华,吴金华,单家方,王茂,徐旵东.HT-7装置上充气对低杂波耦合影响的实验及分析[J].原子能科学技术,2011,45(8):897-901. |
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| 作者姓名： | 李妙辉 丁伯江 李文科 孔二华 吴金华 单家方 王茂 徐旵东 |
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| 作者单位： | 中国科学院 ;等离子体物理研究所，安徽 ;合肥 ;230031 |
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| 摘 要： | 在低杂波（LHW）天线端口充D2和CD4，发现LHW的耦合效果能得到明显改善，充气后LHW的反射系数基本降为6%左右。不同窗口充气对波的耦合和等离子体密度的影响不同，其原因是改善耦合的关键是提高刮削层（SOL）内等离子体的密度。D2与CH4对LHW耦合影响的实验结果表明：D2对LHW的耦合效果影响略好于CH4，但D2对等离子体密度的影响明显高于CH4，原因是D2对电子密度的贡献更大。
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| 关 键 词： | 充气 低杂波耦合 等离子体密度 |
Experiments and Analysis of Effect of Gas Injection During Coupling of Lower Hybrid Waves in HT-7 |
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| LI Miao-hui,DING Bo-jiang,LI Wen-ke,KONG Er-hua,WU Jin-hua,SHAN Jia-fang,WANG Mao,XU Han-dong.Experiments and Analysis of Effect of Gas Injection During Coupling of Lower Hybrid Waves in HT-7[J].Atomic Energy Science and Technology,2011,45(8):897-901. |
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| Authors: | LI Miao-hui DING Bo-jiang LI Wen-ke KONG Er-hua WU Jin-hua SHAN Jia-fang WANG Mao XU Han-dong |
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| Affiliation: | Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China |
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| Abstract: | Good coupling of lower hybrid waves(LHW)was viewed during the gas(D2 and CD4) injection around the antenna,and the reflection coefficient of LHW was mostly decreased to 6%.The effects of LHW coupling and density are not the same when gas is injected in different pipes,because the key factor for the good coupling is the increase of local density in the scrape-off layer(SOL).The comparison between effects of D2 and CH4 on wave-plasma coupling shows coupling is a little better with D2 puffing and D2 gives high... |
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| Keywords: | gas injection coupling of lower hybrid waves plasma density |
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