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磁约束受控核聚变是最终解决人类能源问题的有希望的途径之一.托卡马克的高约束运行模式可以大大降低下一代磁约束聚变实验装置和将来的聚变示范反应堆的规模和造价.文章简要介绍了托卡马克高约束模式的特征,实现条件及亟待研究解决的科学技术问题,包括触发高约束模式的物理机理,功率阈值与等离子体参数的关系等,以及在高约束运行模式下观察到的边缘局域模的驱动机制、控制或缓解技术等.
Controlled fusion of magnetic confinement is one of the promising ways to finally solve the human energy problem.The high confinement mode of operation of Tokamak can greatly reduce the scale and cost of the next generation of fusion confinement experimental devices and future fusion demonstration reactors. The characteristics of Tokamak high-constraint mode, the realization conditions and the scientific and technological problems to be solved are briefly introduced, including the physical mechanism of triggering high-constraint mode, the relationship between power threshold and plasma parameters, and the observation under high-constraint operation mode To the edge of the local mode drive mechanism, control or mitigation techniques.