论文标题

高核约束中的热量和颗粒助理缓解,​​在TCV Tokamak中令人困惑的替代分离构型

Improved Heat and Particle Flux Mitigation in High Core Confinement, Baffled, Alternate Divertor Configurations in the TCV tokamak

论文作者

Raj, Harshita, Theiler, C., Thornton, A., Fevrier, O., Gorno, S., Bagnato, F., Blanchard, P., Colandrea, C., de Oliveira, H., Duval, B. P., Labit, B., Perek, A., Reimerdes, H., Sheikh, U., Vallar, M., Vincent, B.

论文摘要

在Tokamak中已经实现了氮籽脱离,即高级分离构型(ADC),即X-Divertor和X-Point Target的配置变量(TCV),在H模式等离子体中具有高核心限制。与标准分离构型相比,这两个ADC均显示出ELM间粒子的显着降低,并且对目标的热通量均显着降低。向目标的峰值热通量的95-98%被缓解,作为ADC,挡板和氮气脱离的协同作用。详细研究了分离几何形状和挡板对核心兼容性兼容性的影响。还研究了这些实验中的功率平衡,以探索观察到的ADC中热通量减少的物理。

Nitrogen seeded detachment has been achieved in the Tokamak a Configuration Variable (TCV) in advanced divertor configurations (ADCs), namely X-divertor and X-point target, with and without baffles in H-mode plasmas with high core confinement. Both ADCs show a remarkable reduction in the inter-ELM particle and heat fluxes to the target compared to the standard divertor configuration. 95-98% of the peak heat flux to the target is mitigated as a synergetic effect of ADCs, baffling, and nitrogen seeded detachment. The effect of divertor geometry and baffles on core-divertor compatibility is investigated in detail. The power balance in these experiments is also investigated to explore the physics behind the observed reduction in heat fluxes in the ADCs.

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