Abstract:

Based on reactor core design parameters and the flow chart of the fuel system of China Fusion Engineering Testing Reactor (CFETR), a tritium transfer model of each subsystem in the fuel system is established by means of the average residence time method, and the transport process of tritium flow and detention between each subsystem is described. According to the design parameters, the impact of the fusion power level, duty factor, and the tritium burn-up ratio on tritium balance and start-up tritium inventory of CFETR is simulated.

Key words: China Fusion Engineering Testing Reactor (CFETR), Tritium transport, Depth of tritium dwell

摘要：

根据中国聚变工程实验堆(CFETR)堆芯设计参数及燃料系统流程模型，采用平均停留时间方法，建立燃料循环子系统的氚转移模型用来描述氚在各子系统之间的输运、滞留等过程。采用该模型，分析了不同聚变功率水平、运行因子以及燃烧率对中国聚变工程实验堆的氚平衡以及启动氚投料量的影响。

关键词: 中国聚变工程实验堆(CFETR), 氚输运, 氚坑深度