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阐述了高通量工程试验堆(HFETR)三维堆芯输运燃料管理计算软件HEFT的研发背景,介绍了HEFT主要程序模块HEFT-lat、LINK、HEFT-core、HEFT-int的功能及应用方向,给出了栅元参数计算方法、考验装置计算方法,以及HEFT程序对HFETR零功率临界堆芯、最近19炉段堆芯、考验组件的校算结果,对具有实测值的有效增殖系数keff、停堆棒位、中子注量率、燃耗进行对比分析。结果表明,HEFT程序所采用的栅元计算、堆芯计算的模型和方法正确,可应用于HFETR堆芯燃料管理。
The research and development background of the HFETT three-dimensional core transportation fuel management calculation software HEFT is described. The functions and application directions of the HEFT main program modules HEFT-lat, LINK, HEFT-core and HEFT-int are introduced. The calculating method of cell parameters, the calculating method of testing device and the calculation results of HEFT program for the critical reactor of zero power of HFETR, the core of 19 furnace segments and the testing components are given. For the effective proliferation coefficient keff with measured value, Heap bar bit, neutron fluence, burnup comparative analysis. The results show that the cell calculation and core calculation model and method adopted by HEFT program are correct and can be applied to HFETR core fuel management.