CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Investigation of thermal neutron scattering data for BeF2 and LiF crystals
Mei, Longwei; Cai, Xiangzhou; Jiang, Dazhen; Chen, Jingen; Guo, Wei; Xiong, Wengang
2013
Source PublicationJOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY
ISSN0022-3131
Volume50Issue:4Pages:CONCATENATE(Sheet1!I180,-Sheet1!J180)
AbstractThe influences of thermal neutron scattering data for BeF2 and LiF crystals on molten salt reactor physics are investigated in this work. Based on the structure parameters of BeF2 and LiF, the coherent scattering for both crystals is added to NJOY source code. The ENDF6 format thermal neutron scattering sub-libraries for both crystals are evaluated with their phonon spectra using LEAPR; the ACE format data are produced by NJOY subsequently. Finally, the effect of thermal neutron scattering of BeF2 and LiF crystals on k eff and spectrum are investigated. The result shows that thermal neutron scattering for bound state of BeF2 and LiF influence k eff and spectrum obviously. The elastic scattering cross section for bound state of crystals is smaller than free atom; it makes k eff decrease (1%2%) and spectra be hardened. The higher temperature the bound state has, the smaller coherent elastic scattering cross section it gets; therefore, k eff decreases with temperature. It is suggested that the thermal neutron data of LiF and BeF2 should be taken into account for molten salt reactor.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000316718600010
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13793
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Mei, Longwei,Cai, Xiangzhou,Jiang, Dazhen,et al. Investigation of thermal neutron scattering data for BeF2 and LiF crystals[J]. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY,2013,50(4):CONCATENATE(Sheet1!I180,-Sheet1!J180).
APA Mei, Longwei,Cai, Xiangzhou,Jiang, Dazhen,Chen, Jingen,Guo, Wei,&Xiong, Wengang.(2013).Investigation of thermal neutron scattering data for BeF2 and LiF crystals.JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY,50(4),CONCATENATE(Sheet1!I180,-Sheet1!J180).
MLA Mei, Longwei,et al."Investigation of thermal neutron scattering data for BeF2 and LiF crystals".JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY 50.4(2013):CONCATENATE(Sheet1!I180,-Sheet1!J180).
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