Radiative divertor behavior and physics in Ar seeded plasma on EAST | |
Chen, Jingbo1,2; Duan, Yanmin1; Yang, Zhongshi1,2; Wang, Liang1; Wu, Kai1,2; Li, Kedong1,2; Ding, Fang1; Mao, Hongmin1; Xu, Jichan1,2; Gao, Wei1 | |
刊名 | CHINESE PHYSICS B |
2017-09-01 | |
卷号 | 26期号:9 |
关键词 | Argon Seeding Power Exhaust Iter-like Tungsten Divertor East |
DOI | 10.1088/1674-1056/26/9/095205 |
文献子类 | Article |
英文摘要 | To investigate the radiative divertor behavior and physics for the scenario of impurity seeded plasma in ITER, the radiative divertor experiments with argon (Ar) seeding under ITER-like tungsten divertor condition were carried out during recent EAST campaigns. The experimental results reveal the high efficiency of reducing heat load and particle flux onto the divertor targets owing to increased radiation by Ar seeding. We achieve detached plasmas in these experiments. The inner-outer divertor asymmetry reduces after Ar seeding. Impurities, such as Ar, C, Li, and W, exist in the entire space of the vacuum chamber during EAST operations, and play important roles in power exhausting and accelerating the plasma detachment process. It is remarkable that the contamination of the core plasma is observed using Ar seeding owing to the sputtering of plasma facing components (PFCs), particularly when Ar impurity is injected from the upper tungsten divertor. |
WOS关键词 | DIII-D ; DISCHARGES |
WOS研究方向 | Physics |
语种 | 英语 |
WOS记录号 | WOS:000409470100005 |
资助机构 | National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Natural Science Foundation of China(11575242 ; National Magnetic Confinement Fusion Science Program(2013GB105002 ; National Magnetic Confinement Fusion Science Program(2013GB105002 ; 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内容类型 | 期刊论文 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/33685] |
专题 | 合肥物质科学研究院_中科院等离子体物理研究所 |
作者单位 | 1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Sci Isl Branch, Grad Sch, Hefei 230031, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Chen, Jingbo,Duan, Yanmin,Yang, Zhongshi,et al. Radiative divertor behavior and physics in Ar seeded plasma on EAST[J]. CHINESE PHYSICS B,2017,26(9). |
APA | Chen, Jingbo.,Duan, Yanmin.,Yang, Zhongshi.,Wang, Liang.,Wu, Kai.,...&EAST Team.(2017).Radiative divertor behavior and physics in Ar seeded plasma on EAST.CHINESE PHYSICS B,26(9). |
MLA | Chen, Jingbo,et al."Radiative divertor behavior and physics in Ar seeded plasma on EAST".CHINESE PHYSICS B 26.9(2017). |
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