B111 瘤を有する円管内の流れI : 瘤形状の効果(B-11 生体流体(1),一般講演)

概要

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Saccular aneurysms are disease in the vascular system, and the cause for their rupture is not yet clear. In this study, since the configurations of aneurysms are considered to be a factor for the rupture of aneurysms, several shapes has been modeled using aspect ratio AR and inclination angle θ of saccular aneurysms. In vitro the parametric study has been conducted on the range of Reynolds Number in human blood flows for aneurysmal models of AR=2.1 and 1.3 and θ=90° and 70°. As results, it was confirmed that there are characteristic flow patterns with Reynolds Number, and that the aneurismal configuration has effects on the shear stress and pressure losses. This study aims the accumulation of data to predict the hazard of aneurysmal rupture by their shapes.
日本流体力学会の論文
2004-08-09