中国物理B ›› 2010, Vol. 19 ›› Issue (9): 95201-095201.doi: 10.1088/1674-1056/19/9/095201

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Tokamak residual zonal flow level in near-separatrix region

石秉仁   

  1. Southwestern Institute of Physics, Chengdu 610041, China
  • 收稿日期:2008-11-10 修回日期:2010-02-23 出版日期:2010-09-15 发布日期:2010-09-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 10575037).

Tokamak residual zonal flow level in near-separatrix region

Shi Bing-Ren(石秉仁)†   

  1. Southwestern Institute of Physics, Chengdu 610041, China
  • Received:2008-11-10 Revised:2010-02-23 Online:2010-09-15 Published:2010-09-15
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 10575037).

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摘要： Residual zonal flow level is calculated for tokamak plasmas in the near-separatrix region of a diverted tokamak. A recently developed method is used to construct an analytic divertor tokamak configuration. It is shown that the residual zonal flow level becomes smaller but still keeps finite near the separatrix because the neoclassical polarisation mostly due to the trapped particles goes larger in this region.

Abstract: Residual zonal flow level is calculated for tokamak plasmas in the near-separatrix region of a diverted tokamak. A recently developed method is used to construct an analytic divertor tokamak configuration. It is shown that the residual zonal flow level becomes smaller but still keeps finite near the separatrix because the neoclassical polarisation mostly due to the trapped particles goes larger in this region.

Key words: residual zonal flow, divertor configuration

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