Analysis of the equalizing holes resistance in fuel assembly spike for lead-based reactor

doi:10.1016/j.anucene.2016.07.031

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中国科学院核能安全技术研究所

	Analysis of the equalizing holes resistance in fuel assembly spike for lead-based reactor
	Zhang, Guangyu 1,2; Jin, Ming 1; Wang, Jianye 1; Song, Yong 1
刊名	ANNALS OF NUCLEAR ENERGY
	2017-05-01
卷号	103 期号:无页码:10-16
关键词	Relap5 Fuel Assembly Spike Resistance Lead-based Reactor
DOI	10.1016/j.anucene.2016.07.031
文献子类	Article
英文摘要	To avoid the damage of the fuel rod cladding when a fuel assembly (FA) is totally blocked, a special configuration of the fuel assembly spike was designed with some equalizing holes in the center region which can let the coolant to flow during the totally blockage scenarios of FA. To study the hydrodynamic characteristics between the equalizing holes and an appropriate resistance, a RELAP5 model was developed for a 10 MWth lead-based reactor which used lead-bismuth as coolant. Several FA total blockage and partial core blockage scenarios were selected. The simulation results indicated that when all the FA spike equalizing holes had the same hydraulic resistance, only a narrow range of suitable equalizing holes resistances could be chosen when a FA was blocked. However, in the two or more FA blockage scenarios, there were no appropriate resistances to meet the requirement. In addition, with different FA spike equalizing holes with different resistances, a large range of suitable equalizing hole resistances could be chosen. Especially a series of suitable resistances were selected when the small power FA resistance was 1/2, 1/4, 1/8 of the large one. Under these circumstances, one, two or three FA blockages would not damage the core. These demonstrated that selecting a series of suitable hydraulic resistances for the equalizing holes could improve the safety characteristics of the reactor effectively. (C) 2016 Elsevier Ltd. All rights reserved.
WOS关键词	DEVELOPMENT STRATEGY ; DESIGN ; TECHNOLOGY
WOS研究方向	Nuclear Science & Technology
语种	英语
WOS记录号	WOS:000397549900002
资助机构	Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000) ; Chinese Academy of Sciences(XDA03040000)
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/31749]
专题	合肥物质科学研究院_中国科学院核能安全技术研究所
作者单位	1.Chinese Acad Sci, Inst Nucl Energy Safety Technol, Key Lab Neutron & Radiat Safety, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Hefei 230027, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Guangyu,Jin, Ming,Wang, Jianye,et al. Analysis of the equalizing holes resistance in fuel assembly spike for lead-based reactor[J]. ANNALS OF NUCLEAR ENERGY,2017,103(无):10-16.
APA	Zhang, Guangyu,Jin, Ming,Wang, Jianye,&Song, Yong.(2017).Analysis of the equalizing holes resistance in fuel assembly spike for lead-based reactor.ANNALS OF NUCLEAR ENERGY,103(无),10-16.
MLA	Zhang, Guangyu,et al."Analysis of the equalizing holes resistance in fuel assembly spike for lead-based reactor".ANNALS OF NUCLEAR ENERGY 103.无(2017):10-16.