Self-consistent modeling of CFETR baseline scenarios for steady-state operation

Self-consistent modeling of CFETR baseline scenarios for steady-state operation
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稳态运行的 CFETR 基线场景的自洽建模

DOI:
10.1088/1361-6587/aa6d20
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发表时间:
2017-05
影响因子:
2.2
通讯作者:
CFETR Physics Team
CFETR Physics Team
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Jiale Chen;Xiang Jian;Vincent S Chan;Zeyu Li;Zhao Deng;Guoqiang Li;Wenfeng Guo;Nan Shi;Xi Chen;CFETR Physics Team

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对堆芯等离子体进行集成建模,以提高对中国聚变工程试验堆 (CFETR) 0D 分析中拟议基线场景的信心。稳态场景是通过平衡、传输、辅助加热和电流驱动 (H&CD) 的一致迭代计算获得的。 H&CD 方案的三种组合(NB + EC、NB + EC + LH 和 EC + LH)用于维持 qmin > 2 和聚变功率 ~70–150 MW 的场景。尽管基于物理模型的限制低于 0D 分析中假设的限制,但预测功率处于 CFETR 第一阶段的目标范围内。理想 MHD 稳定性分析表明,这些场景对于 n = 1–10 理想模式是稳定的,其中 n 是环形模式数。还介绍了仅 RF 场景的 RF 电流驱动的优化。这项工作中的核心等离子体模拟工作流程为 CFETR 物理设计的更广泛的研究和开发工作提供了坚实的基础。
Integrated modeling for core plasma is performed to increase confidence in the proposed baseline scenario in the 0D analysis for the China Fusion Engineering Test Reactor (CFETR). The steady-state scenarios are obtained through the consistent iterative calculation of equilibrium, transport, auxiliary heating and current drives (H&CD). Three combinations of H&CD schemes (NB + EC, NB + EC + LH, and EC + LH) are used to sustain the scenarios with qmin > 2 and fusion power of ∼70–150 MW. The predicted power is within the target range for CFETR Phase I, although the confinement based on physics models is lower than that assumed in 0D analysis. Ideal MHD stability analysis shows that the scenarios are stable against n = 1–10 ideal modes, where n is the toroidal mode number. Optimization of RF current drive for the RF-only scenario is also presented. The simulation workflow for core plasma in this work provides a solid basis for a more extensive research and development effort for the physics design of CFETR.
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