The Influence of Neutral Beam Injection on the Heating and Current Drive with Electron Cyclotron Wave on EAST

CHANG Pengxiang (常鹏翔); WU Bin (吴斌); WANG Jinfang (王进芳); LI Yingying (李颖颖); WANG Xiaoguang (王小光); XU Handong (徐旵东); WANG Xiaojie (王晓洁); LIU Yong (刘永); ZHAO Hailin (赵海林); HAO Baolong (郝宝龙); YANG Zhen (杨振); ZHENG Ting (郑婷); HU Chundong (胡纯栋)

doi:10.1088/1009-0630/18/11/02

Plasma Science and Technology > 2016 > 18(11): 1064-1068. > DOI: 10.1088/1009-0630/18/11/02

CHANG Pengxiang (常鹏翔), WU Bin (吴斌), WANG Jinfang (王进芳), LI Yingying (李颖颖), WANG Xiaoguang (王小光), XU Handong (徐旵东), WANG Xiaojie (王晓洁), LIU Yong (刘永), ZHAO Hailin (赵海林), HAO Baolong (郝宝龙), YANG Zhen (杨振), ZHENG Ting (郑婷), HU Chundong (胡纯栋). The Influence of Neutral Beam Injection on the Heating and Current Drive with Electron Cyclotron Wave on EAST[J]. Plasma Science and Technology, 2016, 18(11): 1064-1068. DOI: 10.1088/1009-0630/18/11/02

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The Influence of Neutral Beam Injection on the Heating and Current Drive with Electron Cyclotron Wave on EAST

1Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China 2Center for Fusion Energy Science and Technology, Chinese Academy of Engineering Physics, Mianyang 621900, China

Funds: supported by the National Magnetic Confinement Fusion Science Program of China (Nos. 2013GB101001 and 2014DFG61950) and National Natural Science Foundation of China (Nos. 11405212 and 11175211)

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Received Date: February 19, 2016

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Abstract

Abstract

Both neutral beam injection (NBI) and electron cyclotron resonance heating (ECRH) have been applied on the Experimental Advanced Superconducting Tokamak (EAST) in the 2015 campaign. In order to achieve more effective heating and current drive, the effects of NBI on the heating and current drive with electron cyclotron wave (ECW) are analyzed utilizing the code TORAY and experimental data in the shot #54411 and #54417. According to the experimental and simulated results, for the heating with ECW, NBI can improve the heating efficiency and move the power deposition place towards the inside of the plasma. On the other hand, for the electron cyclotron current drive (ECCD), NBI can also improve the efficiency of ECCD and move the place of ECCD inward. These results will be valuable for the center heating, the achievement of fully non-inductive current drive operation and the suppression of magnetohydrodynamic (MHD) instabilities with ECW on EAST or ITER with many auxiliary heating methods.
- ECRH,
- NBI,
- EAST,
- TORAY

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References

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