Comparison of natural grassy ELM behavior in favorable/unfavorable B (t) in EAST
文献类型：期刊论文
| 作者 | Ding, Genfan2,3; Yang, Qingquan2 ; Xu, Guosheng2; Lin, Xin2,4; Ye, Yang1; Chen, Ran2; Wang, Yumin2; Zang, Qing2; Lan, Heng2; Chen, Liang2
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| 刊名 | PLASMA SCIENCE & TECHNOLOGY
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| 出版日期 | 2021-09-01 |
| 卷号 | 23 |
| 关键词 | grassy ELM favorable and unfavorable B (t) clustered ELM EAST |
| ISSN号 | 1009-0630 |
| DOI | 10.1088/2058-6272/ac061b |
| 通讯作者 | Yang, Qingquan(yangqq@ipp.ac.cn) ; Xu, Guosheng(gsxu@ipp.ac.cn) |
| 英文摘要 | The properties of grassy edge-localized modes (ELMs) in EAST in the favorable and unfavorable B (t) are statistically studied. Statistical analysis indicates that there is no systematical difference in the frequencies of grassy ELMs under the two different magnetic configurations in the similar parameter spaces. The high-frequency grassy ELM (f (ELM) > 1 kHz) in unfavorable B (t) is dependent on the high poloidal beta beta (p) and high triangularity delta (u), while the high-frequency grassy ELM (f (ELM) > 1 kHz) in favorable B (t) appears to rely on the high plasma density. A frequently occurring phenomenon in favorable B (t) defined as 'clustered ELM' seems to be the most evident difference in ELM behavior between favorable and unfavorable B (t). Statistical analysis shows that larger plasma-wall outer gap, longer plasma elongation, lower low-hybrid wave heating power and electron cyclotron resonance heating power favor the occurrence of clustered grassy ELMs. Further studies indicate that the generation of clustered grassy ELMs could be correlated with the lower electron temperature in the bulk plasma. |
| WOS关键词 | GOOD CONFINEMENT ; ASDEX UPGRADE ; MODES ; PLASMAS ; REGIME |
| 资助项目 | National Magnetic Confinement Fusion Energy R&D Program of China[2017YFE0301300] ; National Natural Science Foundation of China[12005257] ; National Natural Science Foundation of China[11905143] ; Key Research Program of Frontier Sciences ; CASHIPS Director's Fund[YZJJ2020QN13] ; CAS ; China Postdoctoral Science Foundation[2020M671913] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000679534100001 |
| 出版者 | IOP PUBLISHING LTD |
| 资助机构 | National Magnetic Confinement Fusion Energy R&D Program of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences ; CASHIPS Director's Fund ; CAS ; China Postdoctoral Science Foundation |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/123179]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Yang, Qingquan; Xu, Guosheng |
| 作者单位 | 1.Hefei Comprehens Natl Sci Ctr, Inst Energy, Hefei 230031, Peoples R China 2.Chinese Acad Sci, Inst Plasma Phys, Hefei Inst Phys Sci, Hefei 230031, Peoples R China 3.Anhui Univ, Hefei 230601, Peoples R China 4.Univ Sci & Technol China, Hefei 230026, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ding, Genfan,Yang, Qingquan,Xu, Guosheng,et al. Comparison of natural grassy ELM behavior in favorable/unfavorable B (t) in EAST[J]. PLASMA SCIENCE & TECHNOLOGY,2021,23. |
| APA | Ding, Genfan.,Yang, Qingquan.,Xu, Guosheng.,Lin, Xin.,Ye, Yang.,...&Wang, Liang.(2021).Comparison of natural grassy ELM behavior in favorable/unfavorable B (t) in EAST.PLASMA SCIENCE & TECHNOLOGY,23. |
| MLA | Ding, Genfan,et al."Comparison of natural grassy ELM behavior in favorable/unfavorable B (t) in EAST".PLASMA SCIENCE & TECHNOLOGY 23(2021). |
入库方式： OAI收割
来源：合肥物质科学研究院
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