【摘要】 根据入口区域长度的定义，应用解析法研究了一个界定血管入口长度的方法．分析了刚性的及弹性的等截面圆直血管和圆锥形直血管的定常流动、非定常振荡流动等多种流动情况下的入口区域长度更多还原

【Abstract】 The length of entrance region in a vessel is a chararteristic which distinguish between the developing flow and the developed flow.It is great deal in the theoretical analyses or the practice applications.Several kind of entrance length of vessel under some conditions of blood flow in a few kind of vessels are analyzed according to the formulas obtained in this paper.更多还原