Modeling of the influences of multiple modulated electron cyclotron current drive on NTMs in rotating plasma

Long CHEN (陈龙); Jinyuan LIU (刘金远); Ping DUAN (段萍); Guangrui LIU (刘广睿); Xingyu BIAN (边兴宇)

doi:10.1088/2058-6272/19/2/024002

Plasma Science and Technology > 2017 > 19(2): 24002-024002. > DOI: 10.1088/2058-6272/19/2/024002

Long CHEN (陈龙), Jinyuan LIU (刘金远), Ping DUAN (段萍), Guangrui LIU (刘广睿), Xingyu BIAN (边兴宇). Modeling of the influences of multiple modulated electron cyclotron current drive on NTMs in rotating plasma[J]. Plasma Science and Technology, 2017, 19(2): 24002-024002. DOI: 10.1088/2058-6272/19/2/024002

Citation:

PDF (679 KB)

Modeling of the influences of multiple modulated electron cyclotron current drive on NTMs in rotating plasma

1 Department of Physics, Dalian Maritime University, Dalian 116026, People’s Republic of China 2 Transportation Engineering Postdoctoral Research Station, Dalian Maritime University, Dalian 116026, People’s Republic of China 3 School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian 116024, People’s Republic of China

Funds: This work is supported by National Natural Science Foundation of China (Grand Nos. 11605021, 11375039 and 11275034), Natural Science Foundation of Liaoning Province (Grand No. 201601074) and supported by ‘the Fundamental Research Funds for the Central Universities' (Grand Nos. 3132016128 and 3132014328).

More Information

Received Date: July 13, 2016

Graphical Abstract

Abstract

Abstract

In this work, physical models of neoclassical tearing modes (NTMs) including bootstrap current and multiple modulated electron cyclotron current drive model are applied. Based on the specific physical problems during the suppression of NTMs by driven current, this work compares the efficiency of continuous and modulated driven currents, and simulates the physical processes of multiple modulated driven currents on suppressing rotating magnetic island. It is found that when island rotates along the poloidal direction, the suppression ability of continuous driven current can be massively reduced due to current deposition outside the island separatrix and reverse deposition direction at the X point, which can be avoided by current drive modulation. Multiple current drive has a better suppressing effect than single current drive. This work gives realistic numerical simulations by optimizing the model and parameters based on the experiments, which could provide references for successful suppression of NTMs in future advanced tokamak such as international thermonuclear experimental reactor.
- neoclassical tearing modes,
- magnetic island,
- current drive,
- modulated rf wave,
- plasma rotation

FullText(HTML)

References (44)

References

[1]	Günter S, Giruzzi G and Gude A 1999 Plasma Phys. Control. Fusion 41 231
[2]	Chang Z and Callen J D 1990 Nucl. Fusion 30 219
[3]	Zohm H et al 1990 Europhys. Lett. 11 745
[4]	Buttery R J et al 2000 Plasma Phys. Control. Fusion 42 113
[5]	La Haye R J et al 1997 Nucl. Fusion 37 397
[6]	Sauter O et al 1997 Phys. Plasmas 4 1654
[7]	Wei L and Wang Z X 2013 Phys. Plasmas 20 172
[8]	Wei L and Wang Z X 2011 Nucl. Fusion 51 123005
[9]	Wei L and Wang Z X 2014 Nucl. Fusion 54 043015
[10]	Hoshino K et al 1992 Phys. Rev. Lett. 69 2208
[11]	Kislov D A et al 1997 Nucl. Fusion 37 339
[12]	Westerhof E et al 2007 Nucl. Fusion 47 85
[13]	Yu Q and Günter S 1998 Plasma Phys. Control. Fusion 40 1977
[14]	Gantenbein G et al 2000 Phys. Rev. Lett. 85 1242
[15]	Wei L and Wang Z X 2014 Phys. Plasmas 2014 21 062505
[16]	WangZX,Wei LandYuF2015 Nucl. Fusion 55 43005
[17]	La Haye R J 2006 Phys. Plasmas 13 18
[18]	Maraschek M 2012 Nucl. Fusion 52 675
[19]	La Haye R J, Rice B W and Strait E J 2000 Nucl. Fusion 40 53
[20]	Sauter O et al 2002 Phys. Rev. Lett. 88 178
[21]	Maraschek M et al 2005 Nucl. Fusion 2005 45 1369
[22]	Yu Q, Günter S and Lackner K 2000 Phys. Rev. Lett. 85 2949
[23]	Welander A S et al 2002 Phys. Plasmas 9 2051
[24]	Reiman A H 1983 Phys. Fluids 26 1338
[25]	Morris A W 1992 Plasma Phys. Control. Fusion 34 1871
[26]	Hegna C C and Callen J D 1997 Phys. Plasmas 4 2940
[27]	Zohm H 1997 Phys. Plasmas 4 3433
[28]	Sozzi C et al 2012 EPJ Web Conf. 32 02017
[29]	Prater R et al 2003 Nucl. Fusion 43 1128
[30]	Felici F et al 2012 Nucl. Fusion 52 10
[31]	Prater R et al 2007 Nucl. Fusion 47 371
[32]	Westerhof E 1990 Nucl. Fusion 30 1143
[33]	Chatziantonaki I et al 2013 Plasma Phys. Control. Fusion 55 115012
[34]	Comisso L and Lazzaro E 2010 Nucl. Fusion 50 1247
[35]	Yu Q et al 2000 Phys. Plasmas 7 312
[36]	Tuda T, Kurita G I and Fujita T 2006 J. Korean Phys. Soc. 49 S83
[37]	Yang X, Wang S and Yang W 2012 Phys. Plasmas 19 072503
[38]	Wang Z X et al 2008 Phys. Plasmas 15 082109
[39]	Wang Z X et al 2007 Phys. Rev. Lett. 99 185004
[40]	Chen L et al 2015 Phys. Plasmas 22 052120
[41]	Chen L et al 2014 Phys. Plasmas 21 102106
[42]	Henderson M et al 2015 Phys. Plasmas 22 021808
[43]	Omori T et al 2011 Fusion Eng. Des. 86 951
[44]	Li J C et al 2016 Chin. Phys. B 25 045201

[1]	Adetokunbo AYILARAN, Martin HANICINEC, Sebastian MOHR, Jonathan TENNYSON. Reduced chemistries with the Quantemol database (QDB)[J]. Plasma Science and Technology, 2019, 21(6): 64006-064006. DOI: 10.1088/2058-6272/ab00a1
[2]	Yonghua DING (丁永华), Zhongyong CHEN (陈忠勇), Zhipeng CHEN (陈志鹏), Zhoujun YANG (杨州军), Nengchao WANG (王能超), Qiming HU (胡启明), Bo RAO (饶波), Jie CHEN (陈杰), Zhifeng CHENG (程芝峰), Li GAO (高丽), Zhonghe JIANG (江中和), Lu WANG (王璐), Zhijiang WANG (王之江), Xiaoqing ZHANG (张晓卿), Wei ZHENG (郑玮), Ming ZHANG (张明), Ge ZHUANG (庄革), Qingquan YU (虞清泉), Yunfeng LIANG (梁云峰), Kexun YU (于克训), Xiwei HU (胡希伟), Yuan PAN (潘垣), Kenneth William GENTLE, the J-TEXT Team. Overview of the J-TEXT progress on RMP and disruption physics[J]. Plasma Science and Technology, 2018, 20(12): 125101. DOI: 10.1088/2058-6272/aadcfd
[3]	Bo SHI (史博), Jinhong YANG (杨锦宏), Cheng YANG (杨程), Desheng CHENG (程德胜), Hui WANG (王辉), Hui ZHANG (张辉), Haifei DENG (邓海飞), Junli QI (祁俊力), Xianzu GONG (龚先祖), Weihua WANG (汪卫华). Double-null divertor configuration discharge and disruptive heat flux simulation using TSC on EAST[J]. Plasma Science and Technology, 2018, 20(7): 74006-074006. DOI: 10.1088/2058-6272/aab48e
[4]	ZHANG Xiaodan(张小丹), HU Chundong(胡纯栋), SHENG Peng(盛鹏), ZHAO Yuanzhe(赵远哲), WU Deyun(吴德云), CUI Qinglong(崔庆龙). The Implementation of Computer Data Processing Software for EAST NBI[J]. Plasma Science and Technology, 2014, 16(10): 984-987. DOI: 10.1088/1009-0630/16/10/15
[5]	KANG Weishan(康伟山), YUAN Tao(袁涛), SUN Qian(孙倩), WU Jihong(吴继红), CHEN Jiming(谌继明). Numerical Analyses of Electromagnetic Forces on the ITER Blanket Module Shield Block During Major Disruptions[J]. Plasma Science and Technology, 2014, 16(7): 701-705. DOI: 10.1088/1009-0630/16/7/12
[6]	YANG Fei(杨飞), XIAO Bingjia(肖炳甲), ZHANG Ruirui(张睿瑞). Construction and Implementation of the Online Data Analysis System on EAST[J]. Plasma Science and Technology, 2014, 16(5): 521-526. DOI: 10.1088/1009-0630/16/5/13
[7]	ZHANG Xiaodan (张小丹), HU Chundong (胡纯栋), SHENG Peng (盛鹏), LIU Zhimin (刘智民), et al.. Development of a Data Acquisition Control System for the First NBI on EAST[J]. Plasma Science and Technology, 2013, 15(12): 1247-1253. DOI: 10.1088/1009-0630/15/12/17
[8]	LI Jun (黎俊), XU Weiwei (徐薇薇), SONG Yuntao (宋云涛), LU Mingxuan (鲁明宣). Numerical Simulation Approaches to Evaluating the Electromagnetic Loads on the EAST Vacuum Vessel[J]. Plasma Science and Technology, 2013, 15(12): 1241-1246. DOI: 10.1088/1009-0630/15/12/15
[9]	ZHUANG Huidong (庄会东), ZHANG Xiaodong (张晓东). Development of a Fast Valve for Disruption Mitigation and its Preliminary Application to EAST and HT-7[J]. Plasma Science and Technology, 2013, 15(8): 745-749. DOI: 10.1088/1009-0630/15/8/05
[10]	Amit K Srivastava, Manika Sharma, Imran Mansuri, Atish Sharma, Tushar Raval, Subrata Pradhan. Development and Integration of a Data Acquisition System for SST-1 Phase-1 Plasma Diagnostics[J]. Plasma Science and Technology, 2012, 14(11): 1002-1007. DOI: 10.1088/1009-0630/14/11/08