Hydrodynamic Behavior of a Single Bubble Rising in Viscous Liquids

蔡子琦; 包雨云; 高正明

doi:10.1016/S1004-9541(09)60149-X

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Hydrodynamic Behavior of a Single Bubble Rising in Viscous Liquids

Updated：2026-01-06

- Hydrodynamic Behavior of a Single Bubble Rising in Viscous Liquids
- Chinese Journal of Chemical Engineering Vol. 18, Issue 6, Pages: 923-930(2010)
- Affiliations：
  
  State Key Laboratory of Chemical Resource Engineering, School of Chemical Engineering, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60149-X
  CLC：
- Published：2010
- Accepted：
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CAI Ziqi, BAO Yuyun, GAO Zhengming. Hydrodynamic Behavior of a Single Bubble Rising in Viscous Liquids[J]. , 2010, 18(6): 923-930.
DOI：

CAI Ziqi, BAO Yuyun, GAO Zhengming. Hydrodynamic Behavior of a Single Bubble Rising in Viscous Liquids[J]. , 2010, 18(6): 923-930. DOI： 10.1016/S1004-9541(09)60149-X.

摘要

Abstract

The rising behavior of single bubbles has been investigated in six systems with different viscosity and Morton number(

) from 3.21×10

-11

to 163. Bubbles with maximum equivalent diameter of up to 16 mm were investigated. The bubble Reynolds number(

) ranged from 0.02 to 1200 covering 3 regimes in which two functions are obtained relating the drag coefficient

with

and

. It has been found that in the high Reynolds number regime the drag coefficient increases until the Reynolds number of about 1200. The classic expression of Jamialahmadi(1994) is improved and extended to high viscosity liquids. A new relationship for the aspect ratio of deformed bubbles in terms of

the E鰐v鰏 number and

applicable to a wide range of system properties

especially in high viscosity liquids

is also suggested.

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