Growing bubbles in a slightly supersaturated liquid solution

We have designed and constructed an experimental system to study gas bubble growth in slightly supersaturated liquids. This is achieved by working with carbon dioxide dissolved in water, pressurized at a maximum of \documentclass[12pt]{minimal}\begin{document}$\mathrm{1\;\mathrm{M}\mathrm{Pa}}$\end{...

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Bibliographic Details
Published in:Review of scientific instruments 2013-06, Vol.84 (6), p.065111-065111
Main Authors: Enríquez, Oscar R., Hummelink, Christian, Bruggert, Gert-Wim, Lohse, Detlef, Prosperetti, Andrea, van der Meer, Devaraj, Sun, Chao
Format: Article
Language:English
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Summary:We have designed and constructed an experimental system to study gas bubble growth in slightly supersaturated liquids. This is achieved by working with carbon dioxide dissolved in water, pressurized at a maximum of \documentclass[12pt]{minimal}\begin{document}$\mathrm{1\;\mathrm{M}\mathrm{Pa}}$\end{document} 1 M Pa and applying a small pressure drop from saturation conditions. Bubbles grow from hydrophobic cavities etched on silicon wafers, which allows us to control their number and position. Hence, the experiment can be used to investigate the interaction among bubbles growing in close proximity when the main mass transfer mechanism is diffusion and there is a limited availability of the dissolved species.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4810852