^(137)Cs-γ源空气比释动能率标准装置不确定度的评定  

03 Evaluation of Uncertainty of Standard Device for Air Specific Kinetic Energy Rate of^(137)Cs-γSource

作　　者：冯双喜 Feng Shuangxi(Analysis and Testing Center,CNNC Sichuan Environmental Protection Engineering Co.,LTD.,Guangyuan 628000,China)

机构地区：[1]中核四川环保工程有限责任公司分析检测中心,四川广元628000

出　　处：《黑龙江科学》2023年第16期72-74,共3页Heilongjiang Science

摘　　要：针对^(137)Cs源空气比释动能率标准装置开展不确定度评定,分析了空气比释动能测量值不确定度测量采用的数学模型及主要的不确定分量,利用不确定度评定方法,计算得到空气比释动能装置测量结果的不确定度报告。对空气比释动能测量值不确定度各分量进行分析及计算,结果表明,^(137)Cs源空气比释动能率标准装置的相对扩展不确定度为8.2%(k=2),满足相关规定要求。The study carries out uncertainty evaluation of^(137)Cs source air specific kinetic energy rate standard device,analyzes the mathematical model and main uncertainty components of the uncertainty measurement of air specific kinetic energy measurement,calculates the uncertainty report of the measurement result of the air kinetic energy device with the uncertainty evaluation method.The results show that the relative extended uncertainty of^(137)Cs source air specific kinetic energy rate standard device is 8.2%(k=2),which meets the requirements of relevant regulations.

关 键 词：^(137)Cs源 空气比释动能 不确定度评定 

分 类 号：TL811.1[核科学技术—核技术及应用]