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Characteristics of the SOL turbulence structure in the first experimental campaign on W7-X with limiter configuration

文献类型：期刊论文

作者Liu, S. C.1,2,3; Liang, Y.2,3; Drews, P.2,3; Kraemer-Flecken, A.2,3; Han, X.1,2,3; Nicolai, D.2,3; Satheeswaran, G.2,3; Wang, N. C.4; Cai, J. Q.1,2,3; Charl, A.2,3
刊名PHYSICS OF PLASMAS
出版日期2018-07-01
卷号25期号:7页码:10
ISSN号1070-664X
DOI10.1063/1.5033353
通讯作者Liu, S. C.(sh.liu@fz-juelich.de)
英文摘要In the first experimental campaign of Wendelstein 7-X (W7-X), a combined probe head mounted on the multi-purpose manipulator has been used to measure the scrape-off layer (SOL) turbulence characteristics. The preliminary experimental results are summarized to illustrate the SOL turbulence properties in the limiter configuration on W7-X. In a standard limiter configuration, significant electrostatic fluctuations can be found in the near SOL, and the dominant frequency of fluctuation power is below 100 kHz. The auto-correlation spectrum power law decay factor is alpha approximate to -1 below 40 kHz and alpha = -2 between 50 and 200 kHz. A broadband spectrum appears between 240 and 380 kHz with a low spectral power density, but a high cross-correlation coefficient. The statistical characteristics of turbulence are calculated by the two-point cross-correlation technique. A clear poloidal dispersion relation is found in the spectrum S(k(theta), f), propagating along the ion diamagnetic drift direction with a group velocity (below 100 kHz) about 0.56 km/s in the near SOL in the laboratory frame. The poloidal correlation length is around 5-10 mm in SOL. The turbulence phase velocity is about 0.5-1 km/s when close to the last closed flux surface, which is comparable with the poloidal E x B drift speed.
WOS关键词EDGE PLASMA ; TRANSPORT ; FLUCTUATIONS ; BOUNDARY ; FACILITY ; TOKAMAK ; SYSTEM ; TEXTOR ; FLOWS ; PROBE
资助项目Euratom research and training programme 2014-2018[633053] ; National Natural Science Foundation of China[11405213] ; National Natural Science Foundation of China[11605235]
WOS研究方向Physics
语种英语
出版者AMER INST PHYSICS
WOS记录号WOS:000440589100037
资助机构Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; Euratom research and training programme 2014-2018 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/37751]  
专题合肥物质科学研究院_中科院等离子体物理研究所
通讯作者Liu, S. C.
作者单位1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
2.Forschungszentrum Julich, Inst Energie & Klimaforsch Plasmaphys, D-52425 Julich, Germany
3.TEC, D-52425 Julich, Germany
4.Huazhong Univ Sci & Technol, Stale Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Hubei, Peoples R China
5.Max Planck Inst Plasma Phys, D-17491 Greifswald, Germany
推荐引用方式
GB/T 7714		 Liu, S. C.,Liang, Y.,Drews, P.,et al. Characteristics of the SOL turbulence structure in the first experimental campaign on W7-X with limiter configuration[J]. PHYSICS OF PLASMAS,2018,25(7):10.
APA Liu, S. C..,Liang, Y..,Drews, P..,Kraemer-Flecken, A..,Han, X..,...&Wei, Y. L..(2018).Characteristics of the SOL turbulence structure in the first experimental campaign on W7-X with limiter configuration.PHYSICS OF PLASMAS,25(7),10.
MLA Liu, S. C.,et al."Characteristics of the SOL turbulence structure in the first experimental campaign on W7-X with limiter configuration".PHYSICS OF PLASMAS 25.7(2018):10.

入库方式： OAI收割

来源：合肥物质科学研究院

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