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Low-to-High Confinement Transition Mediated by Turbulence Radial Wave Number Spectral Shift in a Fusion Plasma

文献类型：期刊论文

作者Xu, G. S.1; Wan, B. N.1; Wang, H. Q.1; Guo, H. Y.1,2; Naulin, V.3; Rasmussen, J. Juul3; Nielsen, A. H.3; Wu, X. Q.1; Yan, N.1; Chen, L.1
刊名PHYSICAL REVIEW LETTERS
出版日期2016-03-01
卷号116期号:9页码:095002
DOI10.1103/PhysRevLett.116.095002
文献子类Article
英文摘要A new model for the low-to-high (L-H) confinement transition has been developed based on a new paradigm for turbulence suppression by velocity shear [G. M. Staebler et al., Phys. Rev. Lett. 110, 055003 (2013)]. The model indicates that the L-H transition can be mediated by a shift in the radial wave number spectrum of turbulence, as evidenced here, for the first time, by the direct observation of a turbulence radial wave number spectral shift and turbulence structure tilting prior to the L-H transition at tokamak edge by direct probing. This new mechanism does not require a pretransition overshoot in the turbulent Reynolds stress, shunting turbulence energy to zonal flows for turbulence suppression as demonstrated in the experiment.
WOS关键词SIMULATION
WOS研究方向Physics
语种英语
WOS记录号WOS:000371418100001
资助机构National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Magnetic Confinement Fusion Science Program of China(2015GB101000 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; National Natural Science Foundation of China(11575235 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 2013GB106000 ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 11422546) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000) ; 2013GB107000)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/21810]  
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, Peoples R China
2.Gen Atom Co, POB 85608, San Diego, CA 92186 USA
3.Tech Univ Denmark, Dept Phys, PPFE, DK-2800 Lyngby, Denmark
推荐引用方式
GB/T 7714		 Xu, G. S.,Wan, B. N.,Wang, H. Q.,et al. Low-to-High Confinement Transition Mediated by Turbulence Radial Wave Number Spectral Shift in a Fusion Plasma[J]. PHYSICAL REVIEW LETTERS,2016,116(9):095002.
APA Xu, G. S..,Wan, B. N..,Wang, H. Q..,Guo, H. Y..,Naulin, V..,...&Zhang, W..(2016).Low-to-High Confinement Transition Mediated by Turbulence Radial Wave Number Spectral Shift in a Fusion Plasma.PHYSICAL REVIEW LETTERS,116(9),095002.
MLA Xu, G. S.,et al."Low-to-High Confinement Transition Mediated by Turbulence Radial Wave Number Spectral Shift in a Fusion Plasma".PHYSICAL REVIEW LETTERS 116.9(2016):095002.

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来源：合肥物质科学研究院

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