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이중냉각핵연료에서 봉단마개의 측면오리피스에 대한 손실계수 평가
곽영균(Y.K Kwack),신창환(C.H. Shin),이치영(C.Y. Lee),박주용(I.Y . Park),전태현(T.R Chun),인왕기(W.K. In) 한국전산유체공학회 2012 한국전산유체공학회 학술대회논문집 Vol.2012 No.11
In the case of complete entrance blockage of the inner channel, the flow rate of the inner channel should be greater than 60% of normal condition in order to avoid a damaged condition of the nuclear fad. For this purpose, the pressure loss coefficient of a side orifice of bottom end plug was evaluated. The pressure loss coefficient were obtained through simulation analysis of single rod for the end plug. According to the blockage rate of the outer channel, flow pattern and pressure loss coefficient of the side hole were investigated