CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Study on dynamic characteristics of activated products source term in secondary loop of integrated molten salt reactor
Zhou, B; Yu, XH; Liu, YF; Zou, Y; Yang, P; Yu, SH; Kang, XZ; Zhu, GF; Yan, R
2020
Source PublicationRADIATION PHYSICS AND CHEMISTRY
ISSN0969-806X
Volume171Pages:-
Subtype期刊论文
AbstractSource term analysis not only can provide the fundamental data for radiation shielding design, but also has a guiding significance for in-service inspection of the reactor. A numerical analysis model (MAST1.0) for activated products in the secondary loop system of the molten salt reactor (MSR) was developed. The deviation of the simulation results between MAST1.0 and ORIGEN-S are less than 7%, which indicates that they are in good agreements. The amounts of the activated products (N-16, F-20 and O-19) and the corrosion activated products (Co-60, Fe-55, Mn-54, Cr-51, Ni-59, etc.) in the second loop were also obtained by MAST1.0, which show that the total activity of N-16, F-20 and O-19 is two orders of magnitude higher than that of the corrosion activated products in normal operating conditions. Flow rate has a significant effect on the distribution of N-16, F-20 and O-19 in the secondary loop. The total activity of N-16, F-20 and O-19 outside of the core increases monotonically with the increase of the flow rate. The concentration of N-16, F-20 and O-19 outside of the core tends to be stable, when the flow rate is greater than 1 x 10(6) cm(3) s(-1). Corrosion activated products show slowly increasing and decreasing trends in reactor startup and shutdown conditions, so they are the key radioactive sources for radiation protection after long-term shutdown of the reactor.
DOI10.1016/j.radphyschem.2020.108700
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33164
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhou, B,Yu, XH,Liu, YF,et al. Study on dynamic characteristics of activated products source term in secondary loop of integrated molten salt reactor[J]. RADIATION PHYSICS AND CHEMISTRY,2020,171:-.
APA Zhou, B.,Yu, XH.,Liu, YF.,Zou, Y.,Yang, P.,...&Yan, R.(2020).Study on dynamic characteristics of activated products source term in secondary loop of integrated molten salt reactor.RADIATION PHYSICS AND CHEMISTRY,171,-.
MLA Zhou, B,et al."Study on dynamic characteristics of activated products source term in secondary loop of integrated molten salt reactor".RADIATION PHYSICS AND CHEMISTRY 171(2020):-.
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