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Study on neutronics design of ordered-pebble-bed fluoride-salt-cooled high-temperature experimental reactor
Yan, R; Yu, SH; Zou, Y; Yang, Q; Zhou, B; Yang, P; Peng, HH; Liu, YF; Dai, Y; Ji, RM; Kang, XZ; Chen, XW; Li, MH; Yu, XH
2018
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume29Issue:6Pages:-
Subtype期刊论文
AbstractThis paper presents a neutronics design of a 10 MW ordered-pebble-bed fluoride-salt-cooled high-temperature experimental reactor. Through delicate layout, a core with ordered arranged pebble bed can be formed, which can keep core stability and meet the space requirements for thermal hydraulics and neutronics measurements. Overall, objectives of the core include inherent safety and sufficient excess reactivity providing 120 effective full power days for experiments. Considering the requirements above, the reactive control system is designed to consist of 16 control rods distributed in the graphite reflector. Combining the large control rods worth about 18000-20000 pcm, molten salt drain supplementary means (- 6980 to - 3651 pcm) and negative temperature coefficient (- 6.32 to - 3.80 pcm/K) feedback of the whole core, the reactor can realize sufficient shutdown margin and safety under steady state. Besides, some main physical properties, such as reactivity control, neutron spectrum and flux, power density distribution, and reactivity coefficient, have been calculated and analyzed in this study. In addition, some special problems in molten salt coolant are also considered, including Li-6 depletion and tritium production.
KeywordFuel
DOI10.1007/s41365-018-0414-0
Indexed BySCI
Language英语
WOS IDWOS:000433263900005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29150
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Yan, R
2.Yu, SH
3.Zou, Y
4.Yang, Q
5.Zhou, B
6.Yang, P
7.Peng, HH
8.Liu, YF
9.Dai, Y
10.Ji, RM
11.Kang, XZ
12.Chen, XW
13.Li, MH
14.Yu, XH
Recommended Citation
GB/T 7714
Yan, R,Yu, SH,Zou, Y,et al. Study on neutronics design of ordered-pebble-bed fluoride-salt-cooled high-temperature experimental reactor[J]. NUCLEAR SCIENCE AND TECHNIQUES,2018,29(6):-.
APA Yan, R.,Yu, SH.,Zou, Y.,Yang, Q.,Zhou, B.,...&Yu, XH.(2018).Study on neutronics design of ordered-pebble-bed fluoride-salt-cooled high-temperature experimental reactor.NUCLEAR SCIENCE AND TECHNIQUES,29(6),-.
MLA Yan, R,et al."Study on neutronics design of ordered-pebble-bed fluoride-salt-cooled high-temperature experimental reactor".NUCLEAR SCIENCE AND TECHNIQUES 29.6(2018):-.
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