Researchers from Tokyo Metropolitan University have successfully found two distinct mechanisms by which foams can collapse, yielding insight into the prevention/acceleration of foam rupture in industrial materials e.g. foods, cosmetics, insulation, stored chemicals. When a bubble breaks, they found that a collapse event propagates via impact with the receding film and tiny scattered droplets breaking other bubbles. Identifying which mechanism is dominant in different foams may help tailor them to specific applications.
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Friday, June 7, 2019
How do foams collapse?
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