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Predictive modeling of HL-2M divertor operation by SOLPS-ITER

机译:SOLPS-ITER对HL-2M偏滤器运行进行预测建模

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摘要

HL-2M is a new medium-sized copper-conductor tokamak and is currently under construction. The SOLPS-ITER code package is applied to explore the operation range and the basic behaviors of the divertor plasma in the first phase. With scanning edge plasma densities, detailed modeling is carried out to study power load, electron and ion temperature, and electron and neutral density on the target plates. The simulation results indicate that a necessary technology should be taken into account for reducing peak heat load on the target. As an effective way, neon seeding at the divertor dome is adopted to reduce the heat load, and the modeling demonstrates that the power load could be controlled. The simulation shows the maximum heat flux is significantly reduced even at a relatively low edge density.Meanwhile, the HL-2M divertor can be operated in a partial detached regime.
机译:HL-2M是新型中型铜导体托卡马克,目前正在建造中。 SOLPS-ITER代码包用于探索第一阶段中偏滤器等离子体的工作范围和基本行为。利用扫描边缘等离子体密度,进行了详细的建模,以研究目标板上的功率负载,电子和离子温度以及电子和中性密度。仿真结果表明,应考虑采用必要的技术来降低目标的峰值热负荷。作为一种有效的方法,采用在扩散器穹顶处的氖离子注入来减少热负荷,该模型表明可以控制功率负荷。仿真显示即使在相对较低的边缘密度下,最大热通量也会显着降低。同时,HL-2M偏滤器可以在部分分离的状态下运行。

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