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本文通过合理有效的近似，根据单群中子模型，建立了高通量工程试验堆（ＨＦＥＴＲ）堆芯反应性消耗率估算模型，探讨了影响反应性消耗率的因素，把估算模型和数值计算及堆的实际运行结果做了比较，得出了具有一般性的结论，并用堆物理理论解释了这一结论．本文还探讨了结论在研究堆和核电站堆芯装载设计中的应用．
In this paper, through a reasonable and effective approximation, according to a single-group neutron model, an estimation model of core reactivity rate of high-throughput engineering test reactor (HFETR) reactor is established, and the factors affecting reactivity consumption rate are discussed. The estimation model and numerical calculation And the actual operating results of the heap are compared to draw a general conclusion, and heap physics theory to explain this conclusion. This paper also explores the application of the conclusions in the design of reactor core and nuclear reactor loading.