摘要
根据核电站放射性废液排放测量要求,选择NaI闪烁体探测器,采用协同偏心管径嵌入式方法对核电站废液排放系统的放射性活度进行在线监测。通过对嵌入式测量方法设计方案进行模拟计算,给出满足测量下限要求的探测器最优嵌入深度及取样管段容积。按照该设计方案进行了原理样机研制,并使用标准液体放射源对样机进行实验,模拟计算和实验结果之间的偏差为+9.93%。
Aim at the requirements for radioactivity waste liquid discharge of nuclear power plant, NaI （T1） scintillator detector cooperated with eccentric diameter is used to make the on - line monitoring for the waste flu- id discharge system. And the analog computation is performed for the embedded measuring method to give the capacity of sampling pipe that meets the lower limit of the measurement. According to this design scheme, the development of principleprototype is performed, and experimentalresults are given to the principle prototype by the standard liquid radioactive source. The deviation between the analog computation and experiment is equal to ＋9.93%.
出处
《核电子学与探测技术》
CAS
北大核心
2015年第9期883-886,共4页
Nuclear Electronics & Detection Technology
关键词
NaI(Tl)闪烁体
嵌入式测量
模拟计算
液体源
NaI （T1） scintillator
embedded measuring method
analog calculation
liquid source
