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유승영(S.Y Yoo),성형건(H.G. Sung),장진성(J.S. Jang),노태성(T.S. Roh) 한국전산유체공학회 2011 한국전산유체공학회 학술대회논문집 Vol.2011 No.5
Pressure drops of two-phase flow in a pipe according to particle shapes have been calculated and analyzed. The numerical analysis for 3 cases of Reynolds number has been conducted for each particle shape. In case of the cylinder shape, the particles had been assumed to be randomly distributed for each Reynolds number. The results haw been averaged and compared to those of the case of the ball shape. Additionally, pressure drops of ball and cylinder shapes has been compared to the result of Ergun’s equation.
원통형 입자에 따른 관내 차압 전산 해석 및 Ergun식 보정 연구
유승영(S.Y Yoo),임태규(T.G. Lim),이상복(S.B. Lee),노태성(T.S. Roh) 한국전산유체공학회 2012 한국전산유체공학회 학술대회논문집 Vol.2012 No.5
In this study, Pressure drops in a pipe according to cylinderical particle that has been calculated and analyzed. In general, it is used in a interior ballistic cylindrical particle shape. The analysis of 10 cases for Reynolds number has been conducted in 3 cases cylindrical particle. The results have been compared to the Erguns empirical equation which predicts pressure drop in pipe. To reduce difference between the Erguns empirical equation and the numerical results, calibration has been conducted.