核电站冷却海水放射性监测仪表设计改进

Nuclear Electronics & Detection Technology(2020)

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Abstract
本文介绍核电站回排海水放射性监测仪表的基本探测原理和架构;针对水下探测组件导向管腐蚀和变形问题,对仪表导向管进行了设计改进;使用蒙卡计算、标准放射源实验方法,分别验证了改进后的仪表导向管对探测效率的影响,两种方法计算出的仪表探测效率在0.8~1.5 MeV能区基本吻合;改进的导向管设计及效率验证方法,可供辐射仪表研制和运维参考.
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