CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Simulation of radiation dose distribution and thermal analysis for the bulk shielding of an optimized molten salt reactor
Zhang, ZH; Xia, XB; Cai, J; Wang, JH; Li, CY; Ge, LQ; Zhang, QX; Xia, XB (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2015
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume26Issue:4Pages:
Subtype期刊文献
AbstractThe Chinese Academy of Science has launched a thorium-based molten-salt reactor (TMSR) research project with a mission to research and develop a fission energy system of the fourth generation. The TMSR project intends to construct a liquid fuel molten-salt reactor (TMSR-LF), which uses fluoride salt as both the fuel and coolant, and a solid fuel molten-salt reactor (TMSR-SF), which uses fluoride salt as coolant and TRISO fuel. An optimized 2 MWth TMSR-LF has been designed to solve major technological challenges in the Th-U fuel cycle. Preliminary conceptual shielding design has also been performed to develop bulk shielding. In this study, the radiation dose and temperature distribution of the shielding bulk due to the core were simulated and analyzed by performing Monte Carlo simulations and computational fluid dynamics (CFD) analysis. The MCNP calculated dose rate and neutron and gamma spectra indicate that the total dose rate due to the core at the external surface of the concrete wall was 1.91 mu Sv/h in the radial direction, 1.16 mu Sv/h above and 1.33 mu Sv/h below the bulk shielding. All the radiation dose rates due to the core were below the design criteria. Thermal analysis results show that the temperature at the outermost surface of the bulk shielding was 333.86 K, which was below the required limit value. The results indicate that the designed bulk shielding satisfies the radiation shielding requirements for the 2 MWth TMSR-LF.
KeywordModel Udf
Language英语
WOS IDWOS:000361645000019
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25042
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorXia, XB (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, ZH,Xia, XB,Cai, J,et al. Simulation of radiation dose distribution and thermal analysis for the bulk shielding of an optimized molten salt reactor[J]. NUCLEAR SCIENCE AND TECHNIQUES,2015,26(4):—.
APA Zhang, ZH.,Xia, XB.,Cai, J.,Wang, JH.,Li, CY.,...&Xia, XB .(2015).Simulation of radiation dose distribution and thermal analysis for the bulk shielding of an optimized molten salt reactor.NUCLEAR SCIENCE AND TECHNIQUES,26(4),—.
MLA Zhang, ZH,et al."Simulation of radiation dose distribution and thermal analysis for the bulk shielding of an optimized molten salt reactor".NUCLEAR SCIENCE AND TECHNIQUES 26.4(2015):—.
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