[1]潘君艳,马强,王刚,等.钠冷快堆燃料破损及其探测方法[J].深圳大学学报理工版,2016,33(4):331-343.[doi:10.3724/SP.J.1249.2016.04331]
 Pan Junyan,Ma Qiang,Wang Gang,et al.Fuel failure and failed fuel detection methods for sodium cooled fast reactor[J].Journal of Shenzhen University Science and Engineering,2016,33(4):331-343.[doi:10.3724/SP.J.1249.2016.04331]
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钠冷快堆燃料破损及其探测方法()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第33卷
期数:
2016年第4期
页码:
331-343
栏目:
物理
出版日期:
2016-07-12

文章信息/Info

Title:
Fuel failure and failed fuel detection methods for sodium cooled fast reactor
文章编号:
201604001
作者:
潘君艳马强王刚张杭
中国原子能科学研究院反应堆工程技术研究部,北京 102413
Author(s):
Pan Junyan Ma Qiang Wang Gang and Zhang Hang
Reactor Engineering Technology Research Division, China Institute of Atomic Energy, Beijing 102413, P.R.China
关键词:
原子能技术钠冷快堆金属材料燃料包壳燃料破损探测裂变产物释放缓发中子先驱核缓发中子探测
Keywords:
atomic energy technology sodium cooled fast reactor metallic material fuel cladding failed fuel detection fission product release delayed neutron precursor delayed neutron detection
分类号:
TB 31;TL 38
DOI:
10.3724/SP.J.1249.2016.04331
文献标志码:
A
摘要:
结合钠冷快堆一回路冷却剂系统特点,系统阐述了燃料包壳在不同尺寸破口下的裂变产物释放机理. 燃料包壳在小气密性破损阶段会有气态裂变核素Kr和Xe释放到一回路覆盖气体中,当发展到燃料与冷却剂接触性破损阶段,短寿命的缓发中子先驱核会释放到钠冷却剂中. 钠冷快堆燃料破损在线监测系统由燃料破损覆盖气体监测系统和燃料破损缓发中子监测系统组成,分别监测不同性质的燃料破损. 基于国际快堆燃料破损在线监测系统设计方案对比分析,评述了不同的燃料破损探测方法和影响燃料破损探测灵敏度的相关因素.
Abstract:
The release mechanism of fission products in deterioration process of fuel failure is summarized according to the characteristics of primary coolant system in sodium cooled fast reactor (SFR). When fuel cladding has pinhole failure, the gaseous fission products Kr and Xe would escape to the cover gas. When fuel cladding is developed to the fuel-coolant contact failure, the delayed neutron precursor with short life would be released to the sodium coolant. The fuel failure online monitoring system in SFR is composed of the failed fuel cover gas monitoring subsystem and the failed fuel delayed neutron detection subsystem. They are designed to monitor failed fuel with different properties. The development of failed fuel detection methods and the factors of detection sensitivity are illustrated in detail on basis of a comparison analysis of the international design for failed fuel online monitoring system in SFR.

参考文献/References:

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备注/Memo

备注/Memo:
Received:2016-05-10;Accepted:2016-06-01
Foundation:National High Technology Research and Development Program of China (2011AA050305)
Corresponding author:Engineer Pan Junyan.E-mail: panjunyan@126.com
Citation:Pan Junyan,Ma Qiang,Wang Gang,et al.Fuel failure and failed fuel detection methods for sodium cooled fast reactor[J]. Journal of Shenzhen University Science and Engineering, 2016, 33(4): 331-343.(in Chinese)
基金项目:国家高技术研究发展计划资助项目 (2011AA050305)
作者简介:潘君艳(1985—),女,中国原子能科学研究院工程师.研究方向:燃料破损机理研究和燃料破损探测设计.E-mail:panjunyan@126.com
引文:潘君艳,马强,王刚,等.钠冷快堆燃料破损及其探测方法[J]. 深圳大学学报理工版,2016,33(4):331-343.
更新日期/Last Update: 2016-06-23