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作品数:98被引量:120H指数:5
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相关作者:陈峰浴苏海滨李雷乔玉涛马正华更多>>
相关机构:中海油田服务股份有限公司北京理工大学技术公司北京航空航天大学更多>>
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Nonlinear saturation of reversed shear Alfvén eigenmode via high-frequency quasi-mode generation
《Plasma Science and Technology》2025年第1期17-22,共6页Zhiwen CHENG Guangyu WEI Lei YE Zhiyong QIU 
supported by the Strategic Priority Research Program of Chinese Academy of Sciences(No.XDB0790000);the Collaborative Innovation Program of Hefei Science Center,CAS(No.2022HSC-CIP008);National Natural Science Foundation of China(Nos.12275236 and 12261131622)。
A nonlinear saturation mechanism for reversed shear Alfvén eigenmode(RSAE)is proposed and analyzed,and is shown to be of relevance to typical reactor parameter region.The saturation is achieved through the generation...
关键词:reversed shear Alfvén eigenmode nonlinear mode coupling continuum damping gyrokinetic theory 
Nonlinear dynamics of the reversed shear Alfvén eigenmode in burning plasmas
《Plasma Science and Technology》2024年第5期1-16,共16页王涛 魏士朝 Sergio BRIGUGLIO Gregorio VLAD Fulvio ZONCA 仇志勇 
supported by National Natural Science Foundation of China (Nos. 12205251, 12275236 and 12261131622);Italian Ministry for Foreign Affairs and International Cooperation Project (No. CN23GR02);the National Key Research and Development Program of China (Nos. 2019YFE03020003 and 2017YFE0301900);Users of Excellence program of Hefei Science Center CAS (No. 2021HSC-UE016);funded by the European Union via the Euratom Research and Training Programme (No. 101052200–EUROfusion)
In a tokamak fusion reactor operated at steady state,the equilibrium magnetic field is likely to have reversed shear in the core region,as the noninductive bootstrap current profile generally peaks off-axis.The revers...
关键词:reversed shear Alfvén eigenmode energetic particle nonlinear gyrokinetic theory saturation burning plasma 
Gyro-Landau-fluid simulations of impurity effects on ion temperature gradient driven turbulence transport
《Plasma Science and Technology》2024年第1期8-15,共8页刘逸飞 李继全 
supported by National Natural Science Foundation of China(Nos.U1967206 and 12275071);National Key R&D Program of China(No.2017YFE0301201)。
The effects of impurities on ion temperature gradient(ITG)driven turbulence transport in tokamak core plasmas are investigated numerically via global simulations of microturbulence with carbon impurities and adiabatic...
关键词:gyro-Landau-fluid simulation impurity effects ion temperature gradient mode turbulence transport 
Stabilization of ion-temperature-gradient mode by trapped fast ions
《Plasma Science and Technology》2022年第6期105-115,共11页Siqi WANG Huishan CAI Baofeng GAO Ding LI 
National Natural Science Foundation of China(Nos.11822505,11835016 and 11675257);the Youth Innovation Promotion Association CAS,the Users with Excellence Program of Hefei Science Center CAS(No.2019HSC-UE013);the Fundamental Research Funds for the Central Universities(No.WK3420000008);the Collaborative Innovation Program of Hefei Science Center CAS(No.2019HSC-CIP014)。
Understanding and modeling fast-ion stabilization of ion-temperature-gradient(ITG)driven microturbulence have profound implications for designing and optimizing future fusion reactors.In this work,an analytic model is...
关键词:fast ions ITG instability gyro-kinetic 
Nonlinear excitation of a geodesic acoustic mode by reversed shear Alfvén eignemodes
《Plasma Science and Technology》2022年第2期57-61,共5页Yahui WANG Tao WANG Shizhao WEI Zhiyong QIU 
supported by the National Key R&D Program of China(No.2017YFE0301900);National Natural Science Foundation of China(No.11875233);Users of Excellence Program of Hefei Science Center CAS(No.2021HSC-UE016)。
The parametric decay process of a reversed shear Alfvén eigenmeode(RSAE)into a geodesic acoustic mode and a kinetic RSAE is investigated using nonlinear gyrokinetic theory.The excitation conditions mainly require the...
关键词:reversed shear Alfvén eigenmode geodesic acoustic mode gyrokinetic theory nonlinear mode coupling burning plasmas alpha channelling 
Unexpanded nonlinear electromagnetic gyrokinetic equations for magnetized plasmas
《Plasma Science and Technology》2020年第10期1-4,共4页Liu CHEN Fulvio ZONCA Haotian CHEN 
supported by National Natural Science Fundation of China (Nos. 11235009 and 11905097);Fundamental Research Fund for Chinese Central Universities (No. 2019FZA3003);carried out within the framework of the EUROfusion Consortium and received funding from Euratom research and training programme 2014–2018 and 2019–2020 under Grant Agreement No. 633053 (Project No. WP19-ER/ENEA-05)。
Nonlinear electromagnetic gyrokinetic equations have been constructed without expanding the field variables into background and finite but small-amplitude fluctuating components. At the long-wavelength limit, these un...
关键词:gyrokinetic theory plasma turbulence nonlinear phenomena 
Optimized analysis of sharpening characteristics of a compact RF pulse source based on a gyro-magnetic nonlinear transmission line for ultrawideband electromagnetic pulse application被引量:4
《Plasma Science and Technology》2019年第9期110-121,共12页Weihao TIE Cui MENG Chengguang ZHAO Xiaogang LU Jun XIE Dan JIANG Zirang YAN 
supported by the China Postdoctoral Science Foundation (No. 2018M6335598)
We constructed a compact high-power RF pulse generator based on a gyro-magnetic nonlinear transmission line(GNLTL) to produce a high-voltage pulse with a sub-nanosecond rise time and a relatively high repetition rate,...
关键词:gyro-magnetic nonlinear transmission line (GNLTL) SHARPENING CHARACTERISTICS sub-nanosecond pulse high REPETITION rate 
Loss-cone instabilities for compact fusion reactor and field-reversed configuration
《Plasma Science and Technology》2019年第2期16-20,共5页Zhongtian WANG Huidong LI Xueke WU 
supported by the Natural Science Foundation for Young Scientists of China (No. 11605143);National Natural Science Foundation of China (Nos. 11575055,11261140327,11005035,11205053);the project,Plasma Confinement in the Advanced Magnetic Mirror (WX-2015-01-01);the Open Research Subject of the Key Laboratory of Advanced Computation in Xihua University (Nos. szjj2017-011 and szjj2017-012);the Young Scholarship Plan of Xihua University (No. 0220170201);the National Key Research and Development Program of China (No. 2017YFE0300405)
Loss-cone instabilities are studied for linear fusion devices. The gyro-kinetic equation for such a configuration is rigorously constructed in terms of action-angle variables by making use of canonical transformation....
关键词:loss-cone INSTABILITIES linear fusion devices gyro-kinetic 
Gyrokinetic theory of turbulent acceleration and momentum conservation in tokamak plasmas
《Plasma Science and Technology》2018年第7期22-26,共5页Lu WANG Shuitao PENG P H DIAMOND 
supported by National Natural Science Foundation of China(NSFC)under Contract Nos.11675059 and 11305071;the Ministry of Science and Technology of China under Contract No.2013GB112002
Understanding the generation of inmnsic rotation in tokamak plasmas is crucial for future fusion reactors such as ITER. We proposed a new mechanism named turbulent acceleration for the origin of the intrinsic parallel...
关键词:turbulent acceleration intrinsic rotation momentum conservation 
Implementation of field-aligned coordinates in a semi-Lagrangian gyrokinetic code for tokamak turbulence simulation
《Plasma Science and Technology》2018年第7期50-63,共14页Lei YE Xiaotao XIAO Yingfeng XU Zongliang DAI Shaojie WANG 
supported by National Natural Science Foundation of China under Grant Nos.11505240,11375196 and 11405174;the National ITER program of China under Contract No.2014GB113000
Field-aligned coordinates have been implemented in the gyrokinetic semi-Lagrangian code NLT, Ye et al (2016 J. Comput. Phys. 316 180), to improve the computational efficiency for the numerical simulations of tokamak...
关键词:gyrokinetic simulation field-aligned coordinates quasi-neutrality equation iterativealgorithm gyro-average operator 
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