Nuclear Engineering and Technology

  • 제48권5호
  • /
  • Pages.1154-1161
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  • 2016
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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Experimental Investigation of the Thermal Hydraulics in Lead Bismuth Eutectic-Helium Experimental Loop of an Accelerator-Driven System

  • Xi, Wenxuan (Institute of Engineering Thermophysics, Chinese Academy of Sciences) ;
  • Wang, Yongwei (Institute of Engineering Thermophysics, Chinese Academy of Sciences) ;
  • Li, Xunfeng (Institute of Engineering Thermophysics, Chinese Academy of Sciences) ;
  • Huai, Xiulan (Institute of Engineering Thermophysics, Chinese Academy of Sciences) ;
  • Cai, Jun (Institute of Engineering Thermophysics, Chinese Academy of Sciences)
  • 투고 : 2016.01.26
  • 심사 : 2016.04.19
  • 발행 : 2016.10.25
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초록

The heat transfer characteristics between liquid lead bismuth eutectic (LBE) and helium are of great significance for the two-loop cooling system based on an accelerator-driven system (ADS). This paper presents an experimental study on the resistance characteristics and heat transfer performance in a LBE-helium experimental loop of ADS. Pressure drops in the LBE loop, the main heat transfer, and the coupled heat transfer characteristics between LBE and helium are investigated experimentally. The temperature of LBE has a significant effect on the LBE thermo-physical properties, and is therefore considered in the prediction of pressure drops. The results show that the overall heat transfer coefficient increases with the increasing helium flow rate and the decreasing inlet temperature of helium. Increasing the LBE Reynolds number and LBE inlet temperature promotes the heat transfer performance of main heat transfer and thus the overall heat transfer coefficient. The experimental results give an insight into the flow and heat transfer properties in a LBE-helium heat exchanger and are helpful for the optimization of an ADS system design.

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참고문헌

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