Design and Numerical Analysis of Oil-Cooled Cooler of Liquid Lead-Bismuth Loop

Abstract:

Since heat exchanger is an important device that can control temperature distribution of the liquid Lead-Bismuth Eutectic (LBE) loop, its proper design makes sure investigations on key technologies of Accelerator Driven Sub-critical System (ADS) can be carried out smoothly. Based on heat transfer theory, a design proposal was presented for the cooler of the multi-functional forced convection LBE loop KYLIN-II that is being developed by FDS team. The cooler is a double-pipe countercurrent heat exchanger cooled by heat transfer oil YD-350L. Numerical analysis based on the commercial software ANSYS FLUENT 14.5 was also performed to validate that design proposal in design case and two different operation cases. Theoretical design parameters agreed well with those of the numerical simulation. Deviations of some important parameters (i.e. temperatures of fluids and overall heat transfer coefficient of the cooler) between theoretical values and numerical simulation results were under 2%. The bulk temperature and film temperature of the oil were lower than 305 °C and 360 °C respectively, which were acceptable for heat transfer oil. All these results indicated that the design proposal in the paper was reasonable and could be applied to the design of KYLIN-II LBE loop.

• Periodical: Advanced Materials Research (Volumes 724-725)
• Pages: 696-702
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.724-725.696
• Online since: August 2013
• Authors: Shan Qing Huang, Qun Ying Huang, Sheng Gao, Zhi Zhong Jiang, Rong Yuan Sa
• Keywords: Design, Lead-Bismuth Loop, Numerical Simulation, Oil-Cooled Cooler

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