Design of the radiation shield and collimator for neutron and gamma-ray diagnostics at EAST

doi:10.1016/j.fusengdes.2021.112775

HFCAS OpenIR

	Design of the radiation shield and collimator for neutron and gamma-ray diagnostics at EAST
	Chen, Weikun 1,2; Hu, Liqun1 ; Zhong, Guoqiang1 ; Hong, Bing 1; Zhou, Ruijie1 ; Li, Kai 1; Huang, Liangsheng 1,2; Cao, Hongrui 1
	2021-11-01
发表期刊	FUSION ENGINEERING AND DESIGN
ISSN	0920-3796
通讯作者	Zhong, Guoqiang(gqzhong@ipp.ac.cn)
摘要	New compact radiation shields have been designed to reduce the scattered neutrons and background gamma-rays for neutron and gamma-ray diagnostics in the EAST hall. The design focused on optimizing radiation shielding performance versus volume and weight to fit the small amount of available space outside the tokamak device. Based on the Monte Carlo method and using the Geant4 tool kit, three-dimensional models of the shield were created for material selection and structural design optimization. The 10-cm and 15-cm polyethylene doped with 12 wt.% B4C, and 10-cm cast lead were finally selected for the main body of the shield. In addition, the shape and structure of the collimator in the front half of the shield are optimized, and a replaceable aperture adjuster module design has been adopted for the collimator. For incident particles with different energies, the collimation efficiency of the collimator has also been calculated.
关键词	Fusion neutron Gamma-ray Collimator Radiation shield Tokamak
DOI	10.1016/j.fusengdes.2021.112775
收录类别	SCI
语种	英语
资助项目	Users with Excellence Program of Hefei Science Center CAS[2020HSC-UE012] ; Comprehensive Research Facility for Fusion Technology Program of China[2018-000052-73-01-001228] ; National Natural Science Foundation of China[11775263]
项目资助者	Users with Excellence Program of Hefei Science Center CAS ; Comprehensive Research Facility for Fusion Technology Program of China ; National Natural Science Foundation of China
WOS研究方向	Nuclear Science & Technology
WOS类目	Nuclear Science & Technology
WOS记录号	WOS:000709523800001
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.hfcas.ac.cn:8080/handle/334002/125590
专题	中国科学院合肥物质科学研究院
通讯作者	Zhong, Guoqiang
作者单位	1.Chinese Acad Sci, Inst Plasma Phys, Hefei Inst Phys Sci, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China
第一作者单位	中科院等离子体物理研究所
通讯作者单位	中科院等离子体物理研究所
推荐引用方式 GB/T 7714	Chen, Weikun,Hu, Liqun,Zhong, Guoqiang,et al. Design of the radiation shield and collimator for neutron and gamma-ray diagnostics at EAST[J]. FUSION ENGINEERING AND DESIGN,2021,172.
APA	Chen, Weikun.,Hu, Liqun.,Zhong, Guoqiang.,Hong, Bing.,Zhou, Ruijie.,...&Cao, Hongrui.(2021).Design of the radiation shield and collimator for neutron and gamma-ray diagnostics at EAST.FUSION ENGINEERING AND DESIGN,172.
MLA	Chen, Weikun,et al."Design of the radiation shield and collimator for neutron and gamma-ray diagnostics at EAST".FUSION ENGINEERING AND DESIGN 172(2021).