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32개 노우드로 구성된 PC-Cluster 컴퓨터의 성능 연구
박재현(J.H.Park),변민수(M.S.Byoun),박준관(J.G.Park),문종춘(J.C.Moon),서용권(Y.K.Suh) 동아대학교 해양자원연구소 2000 동아대학교 해양자원연구소 연구논문집 Vol.13 No.-
Numerical test for the performance of the parallel computer of a PC-cluster type named "Jupitor" has been performed. We used a Poisson equation as a model equation. It was shown that there exists an optimum number of nodes which gives the best efficiency(performance per node). Further, the overall performance is also dependent on the domain partitioning.
산업용 교반기의 임펠러 형상의 변화에 따른 유동특성에 관한 실험적 연구
박재현(J.H. Park),김정환(J.H. Kim),김정렬(J.R. Kim),정호승(H.S. Jeong),이민우(M.W. Lee),이화신(H.S. Lee),권지혁(J.H. Kweon),김동균(D.K. Kim) 한국마린엔지니어링학회 2006 한국마린엔지니어링학회 학술대회 논문집 Vol.2006 No.-
Industrial agitators are used in various industrial fields where they are necessary to intimately mix two reactants in a short period of time. However, despite their widespread use, complex unsteady flow characteristics of industrial mixers are not systematically investigated. The present study aims for clarify unsteady flow characteristics induced by various impellers in a tank. Impellers are pitched blade turbine(PBT) types, Screw type, Rushton turbine type and etc.
박재현(J.H. Park),이민우(M.W.Lee),최영규(Y.G. Choi),김정환(J.H. Kim),김정렬(J.R. Kim),정호승(H.S. Jeong) 한국마린엔지니어링학회 2006 한국마린엔지니어링학회 학술대회 논문집 Vol.2006 No.-
This study is used numerical program to analyze characteristics of fluid and structure in the glove valve which is condition pressure 10㎏f/㎠ and temperature -253℃ for transpotaion of liquid hydrogen. It's used 3-D modeling to ㎠ ℃ analyze cryogenic glove valves, which are 1/4˝, 3/8˝. Numerical study used 3D-modeling make a decision of efficient process of product before producing product in the factory.