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Chin. Phys. B, 2016, Vol. 25(1): 015201    DOI: 10.1088/1674-1056/25/1/015201
PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES Prev   Next  

Optimized calculation of the synergy conditions between electron cyclotron current drive and lower hybrid current drive on EAST

Wei Wei(韦维)1,2, Bo-Jiang Ding(丁伯江)2, Y Peysson3, J Decker3, Miao-Hui Li(李妙辉)2,Xin-Jun Zhang(张新军)2, Xiao-Jie Wang(王晓洁)2, Lei Zhang(张磊)4
1. Hefei University of Technology, Hefei 230009, China;
2. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;
3. CEA, IRFM, 13108 St. Paul-lez-Durance, France;
4. Shanxi University of Technology, Hanzhong 723001, China
Abstract  

The optimized synergy conditions between electron cyclotron current drive (ECCD) and lower hybrid current drive (LHCD) with normal parameters of the EAST tokamak are studied by using the C3PO/LUKE code based on the understanding of the synergy mechanisms so as to obtain a higher synergistic current and provide theoretical reference for the synergistic effect in the EAST experiment. The dependences of the synergistic effect on the parameters of two waves (lower hybrid wave (LHW) and electron cyclotron wave (ECW)), including the radial position of the power deposition, the power value of the LH and EC waves, and the parallel refractive indices of the LHW (N||) are presented and discussed.

Keywords:  EAST      lower hybrid current drive (LHCD)      electron cyclotron current drive (ECCD)      synergistic effect     
Received:  16 March 2015      Published:  05 January 2016
PACS:  52.35.Hr (Electromagnetic waves (e.g., electron-cyclotron, Whistler, Bernstein, upper hybrid, lower hybrid))  
  52.55.Fa (Tokamaks, spherical tokamaks)  
  52.65.-y (Plasma simulation)  
  52.65.Ff (Fokker-Planck and Vlasov equation)  
Fund: 

Project supported by the National Magnetic Confinement Fusion Science Program of China (Grant Nos. 2011GB102000, 2012GB103000, and 2013GB106001), the National Natural Science Foundation of China (Grant Nos. 11175206 and 11305211), the JSPS-NRF-NSFC A3 Foresight Program in the Field of Plasma Physics (Grant No. 11261140328), and the Fundamental Research Funds for the Central Universities of China (Grant No. JZ2015HGBZ0472).

Corresponding Authors:  Bo-Jiang Ding     E-mail:  bjding@ipp.ac.cn

Cite this article: 

Wei Wei(韦维), Bo-Jiang Ding(丁伯江), Y Peysson, J Decker, Miao-Hui Li(李妙辉),Xin-Jun Zhang(张新军), Xiao-Jie Wang(王晓洁), Lei Zhang(张磊) Optimized calculation of the synergy conditions between electron cyclotron current drive and lower hybrid current drive on EAST 2016 Chin. Phys. B 25 015201

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