
Study on rising flow characteristics of triple bubbles
Author(s) -
Jinjing Zuo,
Kai Zhang,
Bingqian Wei,
Jingming Hou,
Ning Zhang,
Shuang Wu
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1601/6/062007
Subject(s) - bubble , wake , coalescence (physics) , mechanics , fluent , flow (mathematics) , physics , materials science , optics , computational fluid dynamics , astrobiology
In order to study the influence of bubble size and distance on the interaction between bubbles, this paper discussed the rising movement characteristics of triple bubbles in static water based on Fluent software. By analyzing the rising track, flow fields and velocity of bubbles, the results show that, when bubble diameters are 4mm, 4mm, 4mm, the distance between the left bubble and the middle bubble is smaller than the minimum coalescence distance, and they coalesce. When bubble diameters are 6mm, 4mm, 4mm, the velocity and track of the small bubble at the bottom will be affected by the wake of the big bubble as the big bubble rises, but they do not coalesce. When bubble diameters are 2mm, 6mm, 2mm, the smaller bubbles on both sides are attracted by the middle bubble and they coalesce; there is almost no vertical rise or deviation process.