Observation of deuterium molecule emission spectra under an active feedback control of H-mod plasma divertor detachment experiment on the EAST tokamak
文献类型：期刊论文
| 作者 | Gao, Wei ; Huang, Juan; Xu, Jichan; Wang, Liang; Zhang, Jing; Su, Jianxun; Chen, Yingjie; Wu, Zhenwei
|
| 刊名 | CHINESE PHYSICS B
 |
| 出版日期 | 2019-11-01 |
| 卷号 | 28 |
| 关键词 | plasma detachment molecular spectrum deuterium |
| ISSN号 | 1674-1056 |
| DOI | 10.1088/1674-1056/ab54b2 |
| 通讯作者 | Gao, Wei(gaowei@ipp.ac.cn) |
| 英文摘要 | Based on neon gas puffing, an active feedback control of H-mod plasma divertor detachment experiment was successfully operated on the EAST tokamak. During the feedback control discharge, the plasma was detached by puffing neon gas and the strike point splitting phenomenon on divertor target was also clearly observed by divertor probes diagnostic. In boundary region, many neutral particle processes (atom and molecule) were happened and accompanied by their emission spectra under the detachment discharge. By studying these emission spectra, it is helpful for us to understand the role of atoms and molecules in boundary recycling, which is important for studying the physical mechanism of divertor detachment. For the Fulcher-alpha system (d(3p)(3)Pi(+/-)(u) -> a(2s)(3)Sigma(+)(g)), D-2 emission spectra in the range from 601 nm to 606 nm were observed, identified and fitted in the detachment experiment for the first time on the EAST, and the spectra in the Q(0-0) band (d(3)Pi(-)(u) -> a(2s)(3)Sigma(+)(g)) in the Q branch of the Fulcher-a system were used for detailed analysis to acquire the boundary region temperature T-e (below 5 eV), which could not be provided very well by other diagnostics on the EAST. An electronic version deuterium molecular spectral line database was established to identify the spectral lines and a multi-peak fitting program was developed to fit and analyze the observed spectra. |
| WOS关键词 | EDGE ; TEMPERATURE ; DIAGNOSTICS ; DISCHARGE ; FRONT |
| 资助项目 | National Natural Science Foundation of China[11805234] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000516544500002 |
| 出版者 | IOP PUBLISHING LTD |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/103961]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Gao, Wei |
| 作者单位 | Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gao, Wei,Huang, Juan,Xu, Jichan,et al. Observation of deuterium molecule emission spectra under an active feedback control of H-mod plasma divertor detachment experiment on the EAST tokamak[J]. CHINESE PHYSICS B,2019,28. |
| APA | Gao, Wei.,Huang, Juan.,Xu, Jichan.,Wang, Liang.,Zhang, Jing.,...&Wu, Zhenwei.(2019).Observation of deuterium molecule emission spectra under an active feedback control of H-mod plasma divertor detachment experiment on the EAST tokamak.CHINESE PHYSICS B,28. |
| MLA | Gao, Wei,et al."Observation of deuterium molecule emission spectra under an active feedback control of H-mod plasma divertor detachment experiment on the EAST tokamak".CHINESE PHYSICS B 28(2019). |
入库方式： OAI收割
来源：合肥物质科学研究院
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