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박준길(Jun-Gil Park),서상호(Sang-Ho Suh),조민태(Min-Tae Cho) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
The pneumatic waste collection system, which is a complete solution for solving the waste collection problems, are constructed in many countries all over the world. However, research data for piping network design are insufficient. In this paper the pressure losses of the straight and curved pipes, pipe junctions are obtained using the numerical method in order to investigate the optimal pipe network design for the waste collection system.
박준길(Jun-Gil Park),서상호(Sang-Ho Suh),노형운(Hyung-Woon Roh),이병권(Byung-Kwon Lee),권혁문(Hyuck-Moon Kwon) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
The distributions of the wall shear stress and OSI in the bifurcated artery are investigated under physiological flow condition. The present study is also aimed to establish the atherogenic risk assessment according to the change of whole blood viscosity. Computer Simulations were performed to obtain the values of wall shear stress and OSI in the bifurcated artery. The generation of atherosclerosis are related to not only biochemical reaction between blood and blood vessel but also the hemodynamic factors like flow separation and oscillatory wall shear stress.