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为了使CARR既具有先进性,又能满足多用户的要求,对其堆芯布置和结构进行了下述优化计算:1)冷却剂材料的优化,研究不同冷却剂材料对堆芯物理特性的影响;2)堆芯结构尺寸的优化,进一步展平堆芯功率分布3)燃料芯体中U的密度及235U富集度的变化对堆芯物理特性的影响;4)控制棒布置方?
In order to make CARR not only advanced but also meet the requirements of multi-users, the following core-layout and structure optimization calculations are carried out: 1) Optimization of coolant materials to study the influence of different coolant materials on the physical properties of the core ; 2) the optimization of the size of the core structure to further flatten the core power distribution 3) the density of U in the fuel core and the 235U enrichment changes on the physical properties of the core; 4)