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...
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...
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...
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...
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...
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...
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,...
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....
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...
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...