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서상호,노형운,장남일,유상신 崇實大學校 生産技術硏究所 1993 論文集 Vol.23 No.-
The numerical analysis is applied to laminar flow in the stenosed and bifurcated tubes. The objective of this study is to determine the influence of diameter ratio, stenosis, spacing, number of stenosis and Reynolds number on flow characteristics in the periodic stenosed tubes and the effect of flow parameters on the flow behaviors in daughter branches of bifurcation. The analysis is extented to predict the flow characteristics in non-Newtonian flow fields.
서상호,노형운,심준완,이광열 崇實大學校 生産技術硏究所 1994 論文集 Vol.24 No.-
It is necessary to understand fully the effects of wind forces on buildings, specially high-rise buildings in a large city. Air flows around a cubic-shaped model are investigated experimentally in the wind tunnel and simulated numerically. Pressure distributions and the corresponding pressure coefficients are determined by the experimental results. The pressure distribution results are compared with the numerical analysis. The software of FLOW3D Release 3.2.1 is used for numerical analyses. The numerical results for pressure distribution are in fairly good agreement with those of experiments.
서상호,유상신,노형운 崇實大學校 生産技術硏究所 1995 論文集 Vol.25 No.1
Physiologcal flows of blood and Newtonian fluid in the bifurcated tube are numerically simulated. Velocity and pressure distributions along the axis in the bifurcated tube are obtained for three-dimensional, steady and physiological flows. For the given Reynolds number physiological flow characteristics of blood in the bifurcated tubes are quite different from those of steady flow. Velocity profiles along the bifurcated tube for physiological flows of blood are little higher than those of a Newtonian fluid having the same infinite-shear-rate viscosity as blood at positive inlet velocity, but little lower than those of a Newtonian fluid at negative inlet velocity.