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@ARTICLE{Gao:836435,
      author       = {Gao, Xiang and Yang, Yao and Zhang, Tao and Liu, Haiqing
                      and Li, Guoqiang and Ming, Tingfeng and Liu, Zixi and Wang,
                      Yumin and Zeng, Long and Han, Xiang and Liu, Yukai and Wu,
                      Muquan and Qu, Hao and Shen, Biao and Zang, Qing and Yu,
                      Yaowei and Kong, Defeng and Gao, Wei and Zhang, Ling and
                      Cai, Huishan and Wu, Xuemei and Hanada, K. and Zhong, Fubin
                      and Liang, Yunfeng and Hu, Chundong and Liu, Fukun and Gong,
                      Xianzhu and Xiao, Bingjia and Wan, Baonian and Zhang,
                      Xiaodong and Li, Jiangang},
      title        = {{K}ey issues for long-pulse high- β {N} operation with the
                      {E}xperimental {A}dvanced {S}uperconducting {T}okamak
                      ({EAST})},
      journal      = {Nuclear fusion},
      volume       = {57},
      number       = {5},
      issn         = {1741-4326},
      address      = {Vienna},
      publisher    = {IAEA},
      reportid     = {FZJ-2017-05556},
      pages        = {056021 -},
      year         = {2017},
      abstract     = {In the last few years, long-pulse H-mode plasma discharges
                      (with small edge-localized modes and normalized beta, β N ~
                      1) have been realized at the Experimental Advanced
                      Superconducting Tokamak (EAST). This paper reports on
                      high-β N (>1.5) discharges in the 2015 EAST campaign. The
                      characteristics of these H-mode plasmas have been presented
                      in a database. Analysis of the experimental limit of β N
                      has revealed several main features of typical discharges.
                      Firstly, efficient, stable high heating power is required.
                      Secondly, control of impurity radiation (partly due to
                      interaction between the plasma and the in-vessel components)
                      is also a critical issue for the maintenance of high-β N
                      discharges. In addition an internal transport barrier (ITB)
                      has recently been observed in EAST, introducing further
                      improvement in confinement surpassing H-mode plasmas. ITB
                      dynamics is another key issue for high-β N plasmas in EAST.
                      Each of these features is discussed in this paper. Study and
                      improvement of these issues could be considered as the key
                      to achieving long-pulse high-β N operation with EAST.},
      cin          = {IEK-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000399125300008},
      doi          = {10.1088/1741-4326/aa626c},
      url          = {https://juser.fz-juelich.de/record/836435},
}