Experimental study on two-phase gas-liquid flow patterns at normal and reduced gravity conditions


Autoria(s): 赵建福; 解京昌; 林海; 胡文瑞
Data(s)

2001

Resumo

Experimental studies have been performed for horizontal two-phase air-water flows at normal and reduced gravity conditions in a square cross-section channel. The experiments at reduced gravity are conducted on board the Russian IL-76 reduced gravity airplane. Four flow patterns, namely bubble, slug, slug-annular transition and annular flows, are observed depending on the liquid and gas superficial velocities at both conditions. Semi-theoretical Weber number model is developed to include the shape influence on the slug-annular transition. It is shown that its prediction is in reasonable agreement with the experimental slug-annular transition under both conditions. For the case of two-phase gas-liquid flow with large value of the Froude number, the drift-flux model can predict well the observed boundary between bubble and slug flows.

Identificador

http://dspace.imech.ac.cn/handle/311007/16908

http://www.irgrid.ac.cn/handle/1471x/1549

Idioma(s)

英语

Palavras-Chave #力学
Tipo

期刊论文