JAPANESE JOURNAL OF MULTIPHASE FLOW
Online ISSN : 1881-5790
Print ISSN : 0914-2843
ISSN-L : 0914-2843
Gas-Liquid-Solid Three-Phase Flow in Vertical Pipe
1st Report: Observation of Gas-Liquid and Liquid-Solid Two-Phase Flow as Basic Multiphase Flow for Gas-Liquid-Solid Three-Phase Flow
Tadashi SAKAGUCHI, Jinglong YANG, Hiromichi TSUGAMI
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Keywords: Flow Situation, Gas-Liquid Two-Phase Flow, Vertical Pipe, Small Bubble, Large Bubble, Small Particle, Medium Particle, Large Particle
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1999 Volume 13 Issue 3 Pages 246-254

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Abstract

Gas-liquid-solid three-phase flow in a vertical pipe is observed.Air, tap water and aluminum-ceramic balls of mean diameters 4.16-24.8mm were flowed in two vertical pipes with similar size of 30.3 and 30.8mm inside diameters and about 7.5m in height. Their flows were recorded by a 8mm CCD video camera.At first, in this paper, we introduce the observation of liquid-solid and gas-liquid two-phase flow which are considered as basic multiphase flows of gas-liquid-solid three-phase flow.Flow characteristics of dispersed flows such as existence of the light and shade of dispersed phase and their random movements were described fromthree dimensional view points.

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