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Instabilities of ideal magnetohydrodynamics mode and neoclassical tearing mode stabilization by electron cyclotron current drive for EHL-2 spherical torus

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【作者】董力立；李莉；刘文军；刘桐；梁云峰；董家齐；谢华生；石跃江； the EHL-2 Team；

【Author】 Lili DONG;Li LI;Wenjun LIU;Tong LIU;Yunfeng LIANG;Jiaqi DONG;Huasheng XIE;Yuejiang SHI;the EHL-2 Team;Hebei Key Laboratory of Compact Fusion;ENN Science and Technology Development Co., Ltd.;College of Science, Donghua University;Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Ministry of Education),School of Physics, Dalian University of Technology;Forschungszentrum Jülich GmbH, Institute of Fusion Energy and Nuclear Waste Management-Plasma Physics, Partner of the Trilateral Euregio Cluster (TEC);Southwestern Institute of Physics;

【通讯作者】董力立;

【机构】 Hebei Key Laboratory of Compact Fusion； ENN Science and Technology Development Co., Ltd.； College of Science, Donghua University； Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Ministry of Education),School of Physics, Dalian University of Technology； Forschungszentrum Jülich GmbH, Institute of Fusion Energy and Nuclear Waste Management-Plasma Physics, Partner of the Trilateral Euregio Cluster (TEC)； Southwestern Institute of Physics；

【摘要】 The next generation fusion device listed on ENN’s fusion roadmap,named as(ENN He-Long)EHL-2,is under both physics and engineering designs.The instabilities of ideal magnetohydrodynamics(MHD) mode and neoclassical tearing mode(NTM) stabilized by electron cyclotron current drive(ECCD) for EHL-2’s two typical operation scenarios are analyzed.For high-ion-temperature operating(HITO) scenario,the vertical displacement event(VDE)could be a big challenge to the device safety.For the steady-state operating(SSO) scenario,the limitation may rise from the ideal MHD mode,NTM,etc.This suggests that the MHD analysis of both operation scenarios should be done with different focusing.Preliminary analysis based on the current physics and engineering design of both two scenarios is given in this paper.Based on the analysis result of above,the future assessments might target at active control method and the effect of boron on MHD activities.更多还原

【Abstract】 The next generation fusion device listed on ENN’s fusion roadmap,named as(ENN He-Long)EHL-2,is under both physics and engineering designs.The instabilities of ideal magnetohydrodynamics(MHD) mode and neoclassical tearing mode(NTM) stabilized by electron cyclotron current drive(ECCD) for EHL-2’s two typical operation scenarios are analyzed.For high-ion-temperature operating(HITO) scenario,the vertical displacement event(VDE)could be a big challenge to the device safety.For the steady-state operating(SSO) scenario,the limitation may rise from the ideal MHD mode,NTM,etc.This suggests that the MHD analysis of both operation scenarios should be done with different focusing.Preliminary analysis based on the current physics and engineering design of both two scenarios is given in this paper.Based on the analysis result of above,the future assessments might target at active control method and the effect of boron on MHD activities.更多还原

【关键词】 MHD； magnetic fusion； macro-instability；
【Key words】 MHD； magnetic fusion； macro-instability；

【基金】 the supports from the ENN team

【文献出处】 Plasma Science and Technology ,等离子体科学和技术(英文版) , 编辑部邮箱 ,2025年02期

【分类号】TL631.24
【下载频次】1

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