Yamaguchi R, Kohtoh K
Department of Mechanical Engineering, Faculty of Engineering, Shibaura Institute of Technology, Tokyo, Japan.
J Biomech Eng. 1994 Feb;116(1):119-26. doi: 10.1115/1.2895695.
The present paper describes the experimental implemented work on the flow situation through a branch model having a daughter tube bifurcated from a parent tube at 45 deg. Experiments have been conducted utilizing an electrochemical method. The results show that, even in steady flow, the wall shear stress along the proximal wall in the daughter tube varies significantly with position in the form of a damped sine wave. For pulsating flow at the nondimensional pulsating frequency of alpha = 6.6, the above mentioned tendency appears to be severe, and the distribution of its amplitude in pulsating flow is similar to that of wall shear stress in steady flow.
本文描述了通过一个分支模型进行的关于流动情况的实验工作，该分支模型有一个从主管以45度角分叉出的子管。实验采用了电化学方法。结果表明，即使在稳定流动中，子管近端壁面的壁面剪应力也会以衰减正弦波的形式随位置显著变化。对于无量纲脉动频率α = 6.6的脉动流，上述趋势似乎更为明显，并且其在脉动流中的振幅分布与稳定流中的壁面剪应力分布相似。
