kilopower阴影屏蔽优化设计研究  

Optimization Design of Shadow Shield for Kilopower Reactor

作　　者：李晓慧[1] 赵泽龙 安伟健[1] Li Xiao-hui;Zhao Ze-long;An Wei-jian(Department of Nuclear Engineering Design,China Institute of Atomic Energy,Beijing 102413,China)

机构地区：[1]中国原子能科学研究院核工程设计研究所,北京102413

出　　处：《科学与信息化》2023年第9期121-123,共3页Technology and Information

摘　　要：通常反应堆阴影屏蔽在空间核电源系统的总质量中占有一半以上的份额,而在屏蔽设计中,重屏蔽即光子屏蔽材料所占的比重尤其大,因此优化重屏蔽材料的质量和结构在屏蔽设计优化过程中显得尤为重要。本文针对kilopower空间堆的辐射屏蔽问题,通过对轻、重屏蔽材料的选择、两种材料不同厚度不同位置的分层布置,使得两种组合材料在各种集合效应之间达到一个适当的平衡。在满足辐射安全要求的前提下,大大优化了阴影屏蔽的质量。In general,reactor shadow shielding usually accounts for more than half of the total mass of space nuclear power system.In the shielding design,the heavy shielding material,namely photon shielding material,takes an especially large proportion.Therefore,optimizing the quality and structure of the heavy shielding material is particularly important in the shielding design optimization process.Aiming at the radiation shielding problem of kilopower space reactor.Through the selection of light and heavy shielding materials and the layering arrangement of the two materials in different thicknesses and different positions,the two composite materials can achieve an appropriate balance between various aggregate effects.On the premise of meeting the radiation safety requirements,the quality of shadow shielding is greatly optimized.

关 键 词：屏蔽 优化 蒙卡 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]