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改善托卡马克等离子体的约束是聚变研究的重要课题,等离子体边界条件对整个等离子体约束性能的影响是非常敏感的。L-H模转换机制与边界径向电场E_r、E_r的梯度及极向旋转速度等参数密切相关,同时,边缘等离子体的径向输运与边缘极向电场E_θ的变化有关。在ASDEX装置实验中,中性束注入第一次观测到H模产生,指出了中性束注入降
Improving the confinement of tokamak plasma is an important issue in fusion research. The influence of plasma boundary conditions on the entire plasma confinement performance is very sensitive. The L-H mode conversion mechanism is closely related to the parameters such as the gradient and polar rotation speed of the boundary radial electric fields E_r and E_r. Meanwhile, the radial transport of the edge plasma is related to the change of the edge electric field E_θ. In ASDEX device experiments, neutral beam injection observed H-mode generation for the first time, indicating that neutral beam injection decreased