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Global variance reduction method for global Monte Carlo particle transport simulations of CFETR
Nie, Xing-Chen1; Li, Jia1; Liu, Song-Lin2; Zhang, Xiao-Kang2; Zhao, Ping-Hui1; Ye, Min-You1; Vogel, German1; Yang, Xiao1; Zhu, Qing-Jun2
2017-08-01
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
卷号28期号:8
摘要It can be difficult to calculate some under-sampled regions in global Monte Carlo radiation transport calculations. The global variance reduction (GVR) method is a useful solution to the problem of variance reduction everywhere in a phase space. In this research, a GVR procedure was developed and applied to the Chinese Fusion Engineering Testing Reactor (CFETR). A cylindrical CFETR model was utilized for comparing various implementations of the GVR method to find the optimum. It was found that the flux-based GVR method could ensure more reliable statistical results, achieving an efficiency being 7.43 times that of the analog case. A mesh tally of the scalar neutron flux was chosen for the GVR method to simulate global neutron transport in the CFETR model. Particles distributed uniformly in the system were sampled adequately through ten iterations of GVR weight window. All voxels were scored, and the average relative error was 2.4% in the ultimate step of the GVR iteration.
文章类型Article
关键词Global Variance Reduction Weight Window Monte Carlo Mcnp Neutronics
WOS标题词Science & Technology ; Technology ; Physical Sciences
资助者National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; Chinese National Natural Science Foundation(11175207) ; Chinese National Natural Science Foundation(11175207) ; 2015GB108002) ; 2015GB108002) ; National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; Chinese National Natural Science Foundation(11175207) ; Chinese National Natural Science Foundation(11175207) ; 2015GB108002) ; 2015GB108002)
DOI10.1007/s41365-017-0270-3
关键词[WOS]BREEDER BLANKET ; WEIGHT WINDOWS
收录类别SCI
语种英语
资助者National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; Chinese National Natural Science Foundation(11175207) ; Chinese National Natural Science Foundation(11175207) ; 2015GB108002) ; 2015GB108002) ; National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; National Special Project for Magnetic Confined Nuclear Fusion Energy(2013GB108004 ; Chinese National Natural Science Foundation(11175207) ; Chinese National Natural Science Foundation(11175207) ; 2015GB108002) ; 2015GB108002)
WOS研究方向Nuclear Science & Technology ; Physics
WOS类目Nuclear Science & Technology ; Physics, Nuclear
WOS记录号WOS:000408789500014
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33622
专题中科院等离子体物理研究所
作者单位1.Univ Sci & Technol China, Sch Nucl Sci & Technol, Hefei 230027, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
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GB/T 7714
Nie, Xing-Chen,Li, Jia,Liu, Song-Lin,et al. Global variance reduction method for global Monte Carlo particle transport simulations of CFETR[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28(8).
APA Nie, Xing-Chen.,Li, Jia.,Liu, Song-Lin.,Zhang, Xiao-Kang.,Zhao, Ping-Hui.,...&Zhu, Qing-Jun.(2017).Global variance reduction method for global Monte Carlo particle transport simulations of CFETR.NUCLEAR SCIENCE AND TECHNIQUES,28(8).
MLA Nie, Xing-Chen,et al."Global variance reduction method for global Monte Carlo particle transport simulations of CFETR".NUCLEAR SCIENCE AND TECHNIQUES 28.8(2017).
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