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Sodium Fire Accident Scenario Simulation Technology Study Based on FDS Code
Authors:YANG Hongyi  SONG Wei
Affiliation:Division of Reactor Engineering Technology Research, China Institute of Atomic Energy, Beijing 102413, China;Nuclear and Radiation Safety Center, Ministry of Ecology and Environment, Beijing 100082, China
Abstract:Sodium fire is a typical accident of sodium-cooled fast reactor. Simulation of sodium fire accident scenario by software is a powerful tool for risk assessment of sodium fire accident. In this paper, the conventional fire three-dimensional computational fluid dynamics software FDS was used as a platform to add a sodium fire combustion model, including combustion heat model, combustion rate model, spray liquid sodium particle size distribution model, etc., and complete the development of sodium fire scenario modeling analysis program. And through the comparison with SPHINCS sodium fire test and calculation results, the feasibility of the method and development plan was verified. The research results of this paper can provide the research basis and experience reference for the development of the subsequent sodium fire simulation program.
Keywords:sodium-cooled fast reactor  sodium fire  computational fluid dynamics  simulation  
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