A disruption database characterizing the current quench of disruptions with ITER-like tungsten divertor has been developed on EAST. It provides a large number of plasma parameters describing the predisruptive plasma, current quench time, eddy current, and mitigation by massive impurity injection, which shows that the current quench time strongly depends on magnetic energy and post-disruption electron temperature. Further, the energy balance and magnetic energy dissipation during the current quench phase has been well analysed. Magnetic energy is also demonstrated to be dissipated mainly by ohmic reheating and inductive coupling, and both of the two channels have great effects on current quench time. Also, massive gas injection is an efficient method to speed up the current quench and increase the fraction of impurity radiation.

中文翻译：

---

EAST当前破坏猝灭期间的磁能耗散

在 EAST 上开发了一个中断数据库，该数据库描述了当前使用类似 ITER 的钨偏滤器的中断淬火。它提供了大量描述破坏前等离子体、电流淬火时间、涡流和大量杂质注入缓解的等离子体参数，这表明电流淬火时间强烈依赖于磁能和破坏后电子温度。此外，已经很好地分析了电流失超阶段的能量平衡和磁能耗散。磁能也被证明主要是通过欧姆再加热和电感耦合来耗散的，并且这两个通道对电流失超时间都有很大的影响。此外，大量气体注入是加速电流猝灭和增加杂质辐射比例的有效方法。