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水下干式储存取样的乏燃料破损检测技术 被引量:2

Technics of Sampling Gas by Storing in a Dry Container under Reactor Pool for Damage Detection of Spent Fuel
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摘要 介绍了通用的乏燃料破损检测方法,分析了已有的乏燃料破损检测技术存在的缺陷,针对其缺陷以及根据自身的需求设计了新的乏燃料破损检测工艺与工作流程,并介绍了检测样品的测量及样品与乏燃料包壳状态的判断依据。实际应用结果表明:该技术可以在水下实现一次对一批乏燃料进行逐个取样,每个样品对应一盒确定的乏燃料,检测效率高;该采样系统对乏燃料的操作在水下进行,现场辐射防护容易满足。 In the present article,several previous methods for damage detection of spent fuel assembly,as well as the existing limitations of these methods are reviewed.A new sampling system,including the working procedure and operating schedule,was developed in order to meet the practical demands and to solve the disadvantages mentioned.The measurement method for sampling and the criterion practical results provided evidence that,in this system,each operating process could successfully achieve a sample for a single certain spent fuel assembly with high precision.Moreover,all the operations were carried out under water,which made the radiation protection much easier.
出处 《原子核物理评论》 CAS CSCD 北大核心 2012年第4期384-387,共4页 Nuclear Physics Review
关键词 乏燃料 破损检测 辐射防护 spent fuel damage detection radiation protection
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