MC方法计算自给能铑中子探测器灵敏度  

Sensitivity Calculation of Rhodium Self PoweredNeutron Detector by MC Method

作　　者：吴雄 蔡利 蒋洁琼[1] 张香菊 卢皓亮 李冬生 WU Xiong;CAI Li;JIANG Jie-qiong;ZHANG Xiang-ju;LU Hao-liang;LI Dong-sheng(Hefei Institute of Physical Science,Institute of Nuclear Energy Safety Technology,Chinese Academy of Sciences,Hefei 230031,China;University of Science and Technology of China,Hefei 230031,China;China Nuclear Power Technology Research Institute Co Ltd,Shenzhen Guangdong 518031,China)

机构地区：[1]中国科学院合肥物质科学研究院核能安全技术研究所,合肥230031 [2]中国科学技术大学,合肥230031 [3]中广核研究院有限公司,广东深圳518031

出　　处：《核电子学与探测技术》2022年第4期634-639,共6页Nuclear Electronics & Detection Technology

摘　　要：利用MC方法结合自给能探测器空间电场效应,计算了典型的铑探测器信号电流和灵敏度并与公开文献中的实验测量值做对比验证。结果表明:使用该方法的理论计算值与实验测量值吻合良好,证明该计算方法正确可靠,而且具备相当的精度,可为大型先进压水堆堆芯测量和自给能探测器的设计研发提供参考和借鉴。A theoretical model was developed for the calculation of rhodium selfpowered neutron detectorby MC method combined with the space electric field effect.We simulated and calculated itssignal current and neutron sensitivityof rhodium spnd and then compared its theoretical results with the experimental results.It is showed that the theoretical value is in good agreement with the experimental value,which proves that the calculation method is correct,reliable and has considerable accuracy.It can provide useful reference for the nuclear reactor monitoring of large advanced PWR and the designing and studying of self powered neutron detectors.

关 键 词：核反应堆监测 铑自给能中子探测器 中子灵敏度 MC法 

分 类 号：TL8[核科学技术—核技术及应用]