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CFD analysis of the effect of different PAR locations against hydrogen recombination rate
Lee, Khor Chong,Ryu, Myungrok,Park, Kweonha The Korean Society of Marine Engineering 2016 한국마린엔지니어링학회지 Vol.40 No.2
Many studies have been conducted on the performance of a passive autocatalytic recombiner (PAR), but not many have focused on the locations where the PAR is installed. During a severe accident in a nuclear reactor containment, a large amount of hydrogen gas can be produced and released into the containment, leading to hydrogen deflagration or a detonation. A PAR is a hydrogen mitigation method that is widely implemented in current and advanced light water reactors. Therefore, for this study, a PAR was installed at different locations in order to investigate the difference in hydrogen reduction rate. The results indicate that the hydrogen reduction rate of a PAR is proportional to the distance between the hydrogen induction location and the bottom wall.