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Title:Compound Bubble Dynamics
Author(s):Singh, Amrit
Contributor(s):Feng, Jie; BingQiang, Ji
Subject(s):Fluid dynamics
Abstract:Gas bubble dispersions in liquid media are ubiquitous in nature and industry. Often, such gas bubbles are enclosed within a layer of particulate matter or within a liquid that is different from the surrounding media, resulting in a three-phase compound bubble interface. Shown here is the underwater formation of a gas bubble within a droplet of silicone oil. This process, too quick and small to discern with the naked eye, is revealed through the wonders of high speed photography. Captured at 2000 frames per second, the bubble pinch-off dynamics can be carefully analyzed and quantified. Through our research, we hope to enrich the theory of compound bubble dynamics, resulting in better models that can be applied to a wide range of fields such as power generation or water desalination. So the next time you're sipping a glass of champagne or enjoying a foam bath, spare a thought for the humble bubble - there's much more going on than meets the eye!
Issue Date:2021
Rights Information:Copyright 2021 Amrit Singh
Date Available in IDEALS:2021-04-15

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