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《Nuclear Science and Engineering》 2016-03
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Analysis of hydrogen risk in containment and efficiency of elimination measures for Daya Bay and Ling Ao NPP

ZHANG Shou-jie;ZHANG Fu-mei;China Nuclear Power Technology Research Institute;  
This paper calculates the mass-energy release and hydrogen source term inside the containments of Daya Bay and Ling Ao Phase I nuclear power plants under severe accidents with MAAP program,and builds a model of the containment to analyse hydrogen distribution using TONUS program.An arrangement scheme of the passive hydrogen recombiners(PAR) is put forward taking account of the performance of the PARs,site conditions and hydrogen distribution.The efficiency is validated by lumped parameter method and CFD method with TONUS and GASFLOW program respectively.The validation result shows that the hydrogen concentration in the containment meets the requirements of relative regulations.
【CateGory Index】: TM623
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