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Island divertor configuration design for a quasi-axisymmetric stellarator CFQS
Journal of Plasma Physics ( IF 2.5 ) Pub Date : 2020-09-02 , DOI: 10.1017/s0022377820000732 S. Okamura , H. Liu , A. Shimizu , S. Kinoshita , M. Isobe , G. Xiong , Y. Xu
Journal of Plasma Physics ( IF 2.5 ) Pub Date : 2020-09-02 , DOI: 10.1017/s0022377820000732 S. Okamura , H. Liu , A. Shimizu , S. Kinoshita , M. Isobe , G. Xiong , Y. Xu
A magnetic field configuration of an island divertor for a quasi-axisymmetric stellarator (CFQS) is proposed. The configuration incorporates large islands surrounding the core confinement region. The interface between the core region and the peripheral region of the island divertor is a clear magnetic separatrix similar to a tokamak divertor. The structure of divertor magnetic field lines is very regular without stochasticity and the connection length is sufficiently long for good divertor performance. Such a divertor configuration is produced in the magnetic field configuration for the CFQS device, which is now under construction in China.
更新日期：2020-09-02
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