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변충섭(Choong-sup Byun),김용배(Yong-Bae Kim),한승열(Seung-Yeul Han),고성호(Sung-Ho Ko) 한국유체기계학회 2009 유체기계 연구개발 발표회 논문집 Vol.2009 No.-
In this paper the applicability of two-equation turbulence model is evaluated for Yamagata and Shitsman experiments which represent the forced convection and the mixed convection with supercritical water, respectively. FLUENT is used for CFD analysis. Most turbulence model well predict Yamagata's experiment, but Shitsman's experiment with buoyancy effect is difficult to predict.
고성호(Sung Ho Ko),김연태(Yeon Tae Kim),곽영균(Young Kyun Kwack),강민구(Min Koo Kang),한승열(Seung Yeul Han) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.5
A numerical study was conducted to predict the performance curve of a canned motor pump for SMART(System Integrated Modular Advanced ReacTor). The study used a computational domain which included not only the pump but also a suction pipe and a volute casing with a discharging pipe in order to simulate an experimental setup. The ANSYS CFX program was utilized to obtain flow characteristics inside the pump as well as the overall pressure rise across the pump operating on- and off-design points. Computed results showed that the performance of the pump at off-design points was much lower than expected. Special attention was made to find the cause of the low performance of the pump operating at low flow rate.