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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; Zhang, Ling1; Wu, Jinhua1; Luo, Guang-Nan1,2; EAST Team1
2017-09-01
Source PublicationCHINESE PHYSICS B
Volume26Issue:9
AbstractTo 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.
SubtypeArticle
KeywordArgon Seeding Power Exhaust Iter-like Tungsten Divertor East
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNational 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 ; 11575243 ; 11575243 ; 2013GB105001) ; 2013GB105001) ; 11505233 ; 11505233 ; 11575247 ; 11575247 ; 11605238) ; 11605238) ; 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 ; 11575243 ; 11575243 ; 2013GB105001) ; 2013GB105001) ; 11505233 ; 11505233 ; 11575247 ; 11575247 ; 11605238) ; 11605238)
DOI10.1088/1674-1056/26/9/095205
WOS KeywordDIII-D ; DISCHARGES
Indexed BySCI
Language英语
Funding OrganizationNational 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 ; 11575243 ; 11575243 ; 2013GB105001) ; 2013GB105001) ; 11505233 ; 11505233 ; 11575247 ; 11575247 ; 11605238) ; 11605238) ; 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 ; 11575243 ; 11575243 ; 2013GB105001) ; 2013GB105001) ; 11505233 ; 11505233 ; 11575247 ; 11575247 ; 11605238) ; 11605238)
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000409470100005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33685
Collection中科院等离子体物理研究所
Affiliation1.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
Recommended Citation
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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