Experimental Study of a Gas-Liquid Flow in Vacuum Air-Lift Column Using an Optical Bi-Probe

被引：6
作者：
Barkai, Allatchi Hassan [1 ,2 ]
El Hajem, Mahmoud [1 ,2 ]
Lacassagne, Tom [1 ,2 ]
Champagne, Jean-Yves [1 ,2 ]
机构：
[1] Natl Inst Appl Sci INSA, Lab Fluid Mech & Acoust LMFA, 20 Av Einstein, F-69621 Villeurbanne, France
[2] 20 Ave Albert Einstein, F-69621 Villeurbanne, France
来源：
FLUIDS | 2019年 / 4卷 / 02期
关键词：
vacuum airlift; bubble column; optical bi-probe; gas holdup; bubble size; velocity; BUBBLE-SIZE DISTRIBUTIONS; VOID FRACTION; FIBER PROBE; DIAMETER; DYNAMICS; VELOCITY; HOLDUP;
D O I：
10.3390/fluids4020080
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The vacuum airlift column process was patented in 2007 and is under development. The experimental study of its hydrodynamics is one of the axes explored to optimize its design and operation. The object of the study presented in this paper is to determine the functions of phase indicator (gas holdup, superficial gas velocity and bubble size) of the gas-liquid flow. The experimental analysis is carried out using a two-phase instrumentation consisting of an optical fiber bi-probe. The use of experimental techniques has made it possible to better understand the hydrodynamics of a two-phase flow. The optical bi-probe placed between two column flanges made it possible to have a complete mapping of the flow of the dispersed phase. The use of a mass flow meter and an ultrasonic flowmeter, in different flow configurations, provided data on the column operation.
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页数：19
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