Flow characteristics of natural circulation in a lead–bismuth eutectic loop

doi:10.1007/s41365-017-0187-x

Nuclear Science and Techniques ›› 2017, Vol. 28 ›› Issue (3): 39 doi: 10.1007/s41365-017-0187-x

• NUCLEAR ENERGY SCIENCE AND ENGINEERING • Previous Articles Next Articles

Flow characteristics of natural circulation in a lead–bismuth eutectic loop

Chen-Chong Yue ^1,2 Liu-Li Chen² Ke-Feng Lyu^1,2 Yang Li ² Sheng Gao² Yue-Jing Liu ² Qun-Ying Huang²

¹School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230027, China
² Key Laboratory of Neutronics and Radiation Safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei 230031, China

Export Citation

C.-C. Yue · L.-L. Chen · K.-F. Lyu · Y. Li · S. Gao · Y.-J. Liu · Q.-Y. Huang. Flow characteristics of natural circulation in a lead–bismuth eutectic loop.Nuclear Science and Techniques, 2017, 28(3): 39 doi: 10.1007/s41365-017-0187-x

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Abstract

Abstract:

Lead and lead-alloys are proposed in future advanced nuclear system as coolant and spallation target. To test the natural circulation and gas-lift and obtain thermal-hydraulics data for computational fluid dynamics (CFD) and system code validation, a lead–bismuth eutectic rectangular loop, the KYLIN-II Thermal Hydraulic natural
circulation test loop, has been designed and constructed by the FDS team. In this paper, theoretical analysis on natural circulation thermal-hydraulic performance is described and the steady-state natural circulation experiment is performed. The results indicated that the natural circulation capability depends on the loop resistance and the temperature and center height differences between the hot and cold legs. The theoretical analysis results agree well with, while the CFD deviate from, the experimental results.

Key words: Accelerator-driven systems, Lead–bismuth eutectic, Natural circulation, CFD

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Flow characteristics of natural circulation in a lead–bismuth eutectic loop

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