摘要
为评估金属氢化物(氢化锂、氢化钛和氢化锆)在小型钠冷快堆中的屏蔽性能,使用一维离散纵标法(ANISN程序)模拟计算了屏蔽材料在小型钠冷快堆能谱下的屏蔽特性。屏蔽计算结果表明:氢化锂、氢化钛和氢化锆具有很好的屏蔽性能;将氢化锂与不锈钢、氢化钛或氢化锆与碳化硼混合,可改善这些金属氢化物的屏蔽性能。混合材料用于小型钠冷快堆的屏蔽,可显著减少反应堆系统的重量和体积。
The ANISN code,one-dimensional discrete ordinates transport code,was used for the shield calculation to evaluate the shield capability of metal hydrides in the case of small sodium-cooled fast reactor＇s energy spectra.The results indicate that LiH,TiH2 and ZrH2show superior shield capability.Mixing LiH with stainless steel,TiH2 with boron carbide and ZrH2 with boron carbide,can improve the shield properties.These compound materials can be used for small sodium-cooled fast reactor＇s shield and significantly reduce the weight and volume of reactor system.
出处
《原子能科学技术》
EI
CAS
CSCD
北大核心
2016年第10期1817-1822,共6页
Atomic Energy Science and Technology
关键词
金属氢化物
小型钠冷快堆
屏蔽
metal hydride
small sodium-cooled fast reactor
shield
