THE DISTRIBUTION OF DROP SIZE AND VELOCITY IN GAS-LIQUID ANNULAR-FLOW

被引：100
|
作者：
FORE, LB
DUKLER, AE
机构：
[1] Department of Chemical Engineering, University of Houston, Houston
来源：
INTERNATIONAL JOURNAL OF MULTIPHASE FLOW | 1995年 / 21卷 / 02期
关键词：
2-PHASE FLOW; ANNULAR FLOW; DROPLET ENTRAINMENT; DROPLET SIZES;
D O I：
10.1016/0301-9322(94)00061-N
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
An experimental study of the droplet size and velocity distributions in gas-liquid annular upflow is reported for a 50.8 mm i.d. vertical tube. Included are the effects of liquid viscosity and the radial variation of drop size and velocity. Additional measurements of the centerline gas velocity are used to estimate the gas-droplet slip ratio. The drop size distributions exhibit a bimodal nature, discounting the use of previously suggested functions for their description. Mean drop sizes are observed to increase with liquid flow rate and viscosity. On average, droplets at the tube centerline are observed to travel at 80% of the local gas velocity.
引用
收藏
页码：137 / 149
页数：13
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