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Mitigation of plasma-material interactions via passive Li efflux from the surface of a flowing liquid lithium limiter in EAST
Zuo, G. Z.1; Hu, J. S.1; Maingi, R.2; Ren, J.1; Sun, Z.1; Yang, Q. X.1; Chen, Z. X.1; Xu, H.1; Tritz, K.4; Zakharov, L. E.5; Gentile, C.2; Meng, X. C.1,3; Huang, M.1; Xu, W.1; Chen, Y.1; Wang, L.1; Yan, N.1; Mao, S. T.1; Yang, Z. D.1; Li, J. G.1; EAST Team
2017-04-01
发表期刊NUCLEAR FUSION
卷号57期号:4
摘要A new flowing liquid Li limiter (FLiLi) based on the concept of a thin flowing film has been successfully designed and tested in the EAST device in 2014. A bright Li radiative mantle at the plasma edge was observed during discharges using FLiLi, resulting from passive Li injection and transport in the scrape-off layer (SOL) plasma. Li particle efflux from the FLiLi surface into the plasma was estimated at >5 x 10(20) atom s(-1), due to surface evaporation and sputtering, and accompanied with a few small Li droplets similar to 1 mm diameter that were ejected from FLiLi. The Li efflux from FLiLi was ionized by the SOL plasma and formed a Li radiation band that originated from the FLiLi surface, and then spread toroidally by SOL plasma flow. The Li radiative mantle appeared to partly isolate the plasma from the wall, reducing impurity release from the wall materials, and possibly leading to a modest improvement in confinement. In addition, strong Li radiation reduced the particle and heat fluxes impacting onto the divertor plate, with certain similarities to heat flux reduction and detachment onset via low-Z impurity injection.
文章类型Article
关键词Flowing Liquid Li Li Radiative Mantle Plasma-material Interactions East
WOS标题词Science & Technology ; Physical Sciences
资助者National Magnetic confinement Fusion Science Program(2013GB114004) ; National Magnetic confinement Fusion Science Program(2013GB114004) ; National Nature Science Foundation of China(11405210 ; National Nature Science Foundation of China(11405210 ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; US Department of Energy(DE-AC02-09CH11466) ; US Department of Energy(DE-AC02-09CH11466) ; 11625524 ; 11625524 ; 11321092 ; 11321092 ; 11605246) ; 11605246) ; National Magnetic confinement Fusion Science Program(2013GB114004) ; National Magnetic confinement Fusion Science Program(2013GB114004) ; National Nature Science Foundation of China(11405210 ; National Nature Science Foundation of China(11405210 ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; US Department of Energy(DE-AC02-09CH11466) ; US Department of Energy(DE-AC02-09CH11466) ; 11625524 ; 11625524 ; 11321092 ; 11321092 ; 11605246) ; 11605246)
DOI10.1088/1741-4326/aa5ea0
关键词[WOS]TOKAMAK ; PERFORMANCE ; EROSION ; T-11M ; HT-7
收录类别SCI
语种英语
资助者National Magnetic confinement Fusion Science Program(2013GB114004) ; National Magnetic confinement Fusion Science Program(2013GB114004) ; National Nature Science Foundation of China(11405210 ; National Nature Science Foundation of China(11405210 ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; US Department of Energy(DE-AC02-09CH11466) ; US Department of Energy(DE-AC02-09CH11466) ; 11625524 ; 11625524 ; 11321092 ; 11321092 ; 11605246) ; 11605246) ; National Magnetic confinement Fusion Science Program(2013GB114004) ; National Magnetic confinement Fusion Science Program(2013GB114004) ; National Nature Science Foundation of China(11405210 ; National Nature Science Foundation of China(11405210 ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; Japan Society for the Promotion of Science-National Research Foundation of Korea-National Science Foundation of China (JSPS-NRF-NSFC) (NSFC)(11261140328) ; US Department of Energy(DE-AC02-09CH11466) ; US Department of Energy(DE-AC02-09CH11466) ; 11625524 ; 11625524 ; 11321092 ; 11321092 ; 11605246) ; 11605246)
WOS研究方向Physics
WOS类目Physics, Fluids & Plasmas
WOS记录号WOS:000405944300004
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33520
专题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.Princeton Univ, Plasma Phys Lab, Princeton, NJ 08543 USA
3.Hunan Univ, Dept Appl Phys, Changsha 410082, Hunan, Peoples R China
4.Johns Hopkins Univ, Baltimore, MD 21211 USA
5.LiWallFusion, PO 2391, Princeton, NJ 08543 USA
推荐引用方式
GB/T 7714
Zuo, G. Z.,Hu, J. S.,Maingi, R.,et al. Mitigation of plasma-material interactions via passive Li efflux from the surface of a flowing liquid lithium limiter in EAST[J]. NUCLEAR FUSION,2017,57(4).
APA Zuo, G. Z..,Hu, J. S..,Maingi, R..,Ren, J..,Sun, Z..,...&EAST Team.(2017).Mitigation of plasma-material interactions via passive Li efflux from the surface of a flowing liquid lithium limiter in EAST.NUCLEAR FUSION,57(4).
MLA Zuo, G. Z.,et al."Mitigation of plasma-material interactions via passive Li efflux from the surface of a flowing liquid lithium limiter in EAST".NUCLEAR FUSION 57.4(2017).
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