Some features of the wall shear stress in a vertical tube around a small taylor bubble in an upward flow

被引：0
|
作者：
L. S. Timkin
R. S. Gorelik
机构：
[1] Russian Academy of Sciences,Kutateladze Institute of Thermophysics, Siberian Branch
来源：
Technical Physics Letters | 2013年 / 39卷
关键词：
Particle Image Velocimetry; Wall Shear Stress; Liquid Film; Technical Physic Letter; Vertical Tube;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The wall shear stress induced by a Taylor bubble in upward flow in vertical tube has been studied with eight electrodiffusion friction probes placed in one cross section of the tube uniformly over its perimeter. The mean shear stress averaged over the tube perimeter in liquid film between the small (3–4 tube diameters) gas bubble and the tube wall is positive in the transient and turbulent-flow regimes.
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收藏
页码：870 / 873
页数：3
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