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题名:
Development of an innovative detection system for pebble bed kinematic studies
作者: Zhao, Y; Qu, SX; Zhu, XW; Shao, SW; He, ZZ; Chen, K
刊名: NUCLEAR SCIENCE AND TECHNIQUES
出版日期: 2016
卷号: 27, 期号:2, 页码:
关键词: PACKING ; FLOW
DOI: 10.1007/s41365-016-0048-z
通讯作者: Chen, K (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Jiading Campus, Shanghai 201800, Peoples R China.
文章类型: 期刊文献
英文摘要: Pebble bed reactors enable the circulation of pebble fuel elements when the reactors are in operation. This unique design helps to optimize the burnup and power distribution, reduces the excessive reactivity of the reactor, and provides a mean to identify and segregate damaged fuel elements during operation. The movement of the pebbles in the core, or the kinematics of the pebble bed, significantly affect the above features and is not fully understood. We designed and built a detection system that can measure 3-axis acceleration, 3-axis angular velocity, 3-axis rotation angles, and vibration and temperature of multiple pebbles anywhere in the pebble bed. This system uses pebble-shaped detectors that can flow with other pebbles and does not disturb the pebble movement. We used new technologies to enable instant response, precise measurement, and simultaneous collection of data from a large number of detectors. Our tests show that the detection system has a negligible zero drift and the accuracy is better than the designed value. The residence time of the pebbles in a moving pebble bed was also measured using the system.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000376333000018
ISSN号: 1001-8042
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25682
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Zhao, Y,Qu, SX,Zhu, XW,et al. Development of an innovative detection system for pebble bed kinematic studies[J]. NUCLEAR SCIENCE AND TECHNIQUES,2016-01-01,27(2):—.
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