Bubble motion in non-Newtonian fluids and suspensions

被引：0
|
作者：
Frank, X [1 ]
Li, HZ [1 ]
Funfschilling, D [1 ]
Burdin, F [1 ]
Ma, YG [1 ]
机构：
[1] Ecole Natl Super Ind Chim, Inst Natl Polytech Lorraine, CNRS, Lab Sci Genie Chim, F-54001 Nancy, France
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2003年 / 81卷 / 3-4期
关键词：
bubbles; motion; non-Newtonian fluids; suspension; modeling;
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The present paper reports a study of the motion of air bubbles in both non-Newtonian fluids and fluid-solid (laponite) suspensions. Quantitative information concerning the bubble rise velocity was obtained. In particular, the acceleration mechanism of the rise velocity in fluids was investigated by both a modern tehnique - Particle Image Velocimetry and a classical method - birefringence visualization. An analytical modeling is proposed to compute the rise velocity of a bubble train with the memory effects. Finally, the visualization demonstrates that the bubble shape and rise velocity in a suspension are very complicated due to the displacement of solid particles by bubbles.
引用
收藏
页码：483 / 490
页数：8
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