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Numerical study of the synergy effects of electron cyclotron wave and two lower-hybrid waves in the current drive process

文献类型：期刊论文

作者Yang, Youlei1,2; Xiang, Nong1,3; Hu, Ye Min1,3
刊名PHYSICS OF PLASMAS
出版日期2017-08-01
卷号24期号:8
DOI10.1063/1.4994547
文献子类Article
英文摘要In recent experiments on the experimental advanced superconducting tokamak, the electron cyclotron wave and the two lower-hybrid waves at different frequencies, i.e., 4.6 GHz and 2.45 GHz, are applied simultaneously to sustain and control the plasma current. To investigate the synergy effects of the three waves, the Fokker-Planck equation with the quasi-linear diffusions induced by the three waves is solved numerically with the CQL3D code [R. W. Harvey and M. G. McCoy, in Proceedings of IAEA Technical Committee Meeting on Advances in Simulation and Modeling of Thermonuclear Plasmas, Montreal, Canada ( 1992)]. It is found that there might be strong synergy effects between the three waves. The electrons in the low velocity region in the velocity space can be accelerated perpendicularly by the electron cyclotron wave, and their parallel velocities can be increased due to scattering and fall into the resonance regions of the lower-hybrid waves. Therefore, such processes may bring more electrons to resonate with the lower-hybrid waves and enhance the current drive of the lower-hybrid waves. The synergy effects strongly depend on the distance between the resonance regions in the velocity space of the three waves. Published by AIP Publishing.
WOS关键词TOKAMAK ; PLASMA
WOS研究方向Physics
语种英语
WOS记录号WOS:000409232200040
资助机构National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National Natural Science Foundation of China(11475220 ; National ITER program of China(2013GB1120110) ; National ITER program of China(2013GB1120110) ; National ITER program of China(2013GB1120110) ; 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JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC)(11261140328) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NRF)(2012K2A2A6000443) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33668]  
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, Anhui, Peoples R China
2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Ctr Magnet Fus Theory, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Youlei,Xiang, Nong,Hu, Ye Min. Numerical study of the synergy effects of electron cyclotron wave and two lower-hybrid waves in the current drive process[J]. PHYSICS OF PLASMAS,2017,24(8).
APA Yang, Youlei,Xiang, Nong,&Hu, Ye Min.(2017).Numerical study of the synergy effects of electron cyclotron wave and two lower-hybrid waves in the current drive process.PHYSICS OF PLASMAS,24(8).
MLA Yang, Youlei,et al."Numerical study of the synergy effects of electron cyclotron wave and two lower-hybrid waves in the current drive process".PHYSICS OF PLASMAS 24.8(2017).

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来源：合肥物质科学研究院

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