Institutional Repository of Chinese Academy of Sciences, Institute of Plasma Physics, Hefei 230031, Anhui, Peoples R China
Sawtooth activities in EAST neutral beam injection plasma | |
Chao, Yan1,2; Xu, Liqing1; Hu, Liqun1; Yuan, Yi1,2; Zhang, Yongkuan1,2; Lyu, Bo1; Zhong, Guoqiang1; Liu, Yong1; Liu, Haiqing1; Du, Hongfei1 | |
2019 | |
发表期刊 | AIP ADVANCES |
ISSN | 2158-3226 |
摘要 | Neutral beam injection (NBI) system has been proved to affect sawtooth activities through both producing energetic particles and supplying torque applied to the plasma. The impact of NBI on sawtooth crashes has been studied in the EAST tokamak, which is equipped with co- and counter NBIs. Statistical analysis shows that both strong co-and counter-NBI yield stronger sawtooth activities than cases when heating power is weak. A minimum sawtooth period is observed at a counter-NBI power of 0.2 MW. This is linked to zero-plasma rotation and a non-rotating precursor mode of the sawtooth instability. This indicates that the sawtooth instability is stabilized by plasma rotation as previously suggested. The fast-ion content differs between co- and counter-NBI, so energetic particles might additionally contribute to the sawtooth activities. (C) 2019 Author(s). |
DOI | 10.1063/1.5051406 |
关键词[WOS] | OSCILLATIONS |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Magnetic Confinement Fusion Science Program of China[11505226] |
项目资助者 | National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China ; National Magnetic Confinement Fusion Science Program of China |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science ; Physics |
WOS类目 | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied |
WOS记录号 | WOS:000457407600091 |
出版者 | AMER INST PHYSICS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/41948 |
专题 | 中科院等离子体物理研究所 |
通讯作者 | Xu, Liqing |
作者单位 | 1.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Chao, Yan,Xu, Liqing,Hu, Liqun,et al. Sawtooth activities in EAST neutral beam injection plasma[J]. AIP ADVANCES,2019,9(1):7. |
APA | Chao, Yan.,Xu, Liqing.,Hu, Liqun.,Yuan, Yi.,Zhang, Yongkuan.,...&Du, Hongfei.(2019).Sawtooth activities in EAST neutral beam injection plasma.AIP ADVANCES,9(1),7. |
MLA | Chao, Yan,et al."Sawtooth activities in EAST neutral beam injection plasma".AIP ADVANCES 9.1(2019):7. |
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