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Interparticle arrival time analysis of bubble distributions in a dropshaft and hydraulic jump
The analysis of bubble clustering in air–water flows may provide some measures of the bubble–turbulence interactions. A cluster of bubbles is as a group of two or more bubbles, with a distinct separation from other bubbles. This paper compares the results of a clustering study in a dropshaft and in a hydraulic jump to point out differences/similarities between those complex turbulent flows. The clustering process was studied through the analysis of the interparticle arrival time (IAT) of the bubbles. The results highlighted the presence of clustering in both bubbly flows due mostly to turbulent break-up. The range of bubbles sizes mainly affected by clustering was identified. The results showed that the bubbly flow in the dropshaft had a density of bubbles per unit flux larger than that in the hydraulic jump. Overall, the results demonstrated the relevance of the IATs analysis in the study of bubbly flows.
Interparticle arrival time analysis of bubble distributions in a dropshaft and hydraulic jump
The analysis of bubble clustering in air–water flows may provide some measures of the bubble–turbulence interactions. A cluster of bubbles is as a group of two or more bubbles, with a distinct separation from other bubbles. This paper compares the results of a clustering study in a dropshaft and in a hydraulic jump to point out differences/similarities between those complex turbulent flows. The clustering process was studied through the analysis of the interparticle arrival time (IAT) of the bubbles. The results highlighted the presence of clustering in both bubbly flows due mostly to turbulent break-up. The range of bubbles sizes mainly affected by clustering was identified. The results showed that the bubbly flow in the dropshaft had a density of bubbles per unit flux larger than that in the hydraulic jump. Overall, the results demonstrated the relevance of the IATs analysis in the study of bubbly flows.
Interparticle arrival time analysis of bubble distributions in a dropshaft and hydraulic jump
Gualtieri, Carlo (author) / Chanson, Hubert (author)
Journal of Hydraulic Research ; 51 ; 253-264
2013-06-01
12 pages
Article (Journal)
Electronic Resource
English
Interparticle arrival time analysis of bubble distributions in a dropshaft and hydraulic jump
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