辐射防护2026，Vol.46Issue(2)：97-105,9.
聚变装置屏蔽门屏蔽性能和结构强度分析
Analysis of the radiation shielding performance and structural strength of the radiation shielding door for fusion devices
摘要
Abstract
The radiation shielding door located in the main hall of the fusion device is a crucial component of the shielding arrangementss,requiring excellent neutron and photon shielding performance,while maintaining structural strength,seismic stability and airtightness to safeguard both the surrounding environment and personnel safety.Based on a composite shielding structure consisting of a 50 mm carbon steel inner layer,a 500 mm boron-doped polyethylene middle layer,and a 250 mm carbon steel outer layer,a Monte Carlo particle transport program(cosRMC)was used to simulate the shielding performance of the door.The results show that the shielding performance of the radiation shielding door exceeds that of a 1 000 mm thick concrete wall,satisfying the required shielding performance criteria.Considering the functional characteristics of the large radiation shielding door,which has a significant weight and undergoes frequent opening and closing,hinge,drive and locking mechanisms were designed.Finite element analysis performed using ANSYS software indicates that,under normal operating conditions,the main structural components exhibit maximum equivalent stresses of 25.9 MPa,maximum shear stresses of 13.8 MPa,and maximum deformations of 0.048 mm;under seismic design basis conditions,the corresponding values are 30.2 MPa,16.1 MPa,and 0.052 mm,respectively.All values meet thd design requirements.关键词
聚变装置/屏蔽门/屏蔽性能/结构设计Key words
fusion device/radiation shielding door/shielding performance/structural design分类
能源科技引用本文复制引用
杨亚军,钟国强,徐坤,何锦妙,王文杰,张昇,方建鹏..聚变装置屏蔽门屏蔽性能和结构强度分析[J].辐射防护,2026,46(2):97-105,9.基金项目
国家自然科学基金(No.12575224) （No.12575224）
安徽省生态环境科研项目(No.2023hb0017) （No.2023hb0017）
安徽省科技重大专项(No.E35AH205B3) （No.E35AH205B3）
合肥综合性国家科学中心能源研究院(安徽省能源实验室)项目(No.24KHH105). （安徽省能源实验室）
