【作者】 吕学升； 刘宏斌； 张继龙； 赵永刚；

【Author】 LV Xue-sheng,LIU Hong-bin,ZHANG Ji-long,ZHAO Yong-gang (China Institute of Atomic Energy,P.O.Box 275-8,Beijing 102413,China)

【机构】 中国原子能科学研究院放射化学研究所；

【摘要】 采用CZT探测器、数字谱仪、准直器等组成了1套便携式CZT探测器铀丰度测量装置。该装置可对燃料组件铀丰度进行测定,以便确定相应铀产品丰度符合规定要求。实验研究中,对几类燃料组件丰度进了测量,建立了CZT探测器测量燃料组件铀丰度的方法。现场测量结果表明,铀丰度测量结果相对偏差小于3%,方法简单可靠,装置简便,能满足核材料保障监督和核设施现场测量中的需求。更多还原

【Abstract】 A portable uranium enrichment measurement apparatus for nuclear fuel assembles with CdZnTe detector system was set up.In the experiments,several kinds of nuclear fuel assemble were measured.Therefore,a NDA method to measurement uranium enrichment using CZT detector was set up.The relative error of measurement results is less than 3%,the measurement method is simple,and the apparatus is portable and reliable.It can be used in nuclear materials safeguards verification measurements.更多还原