Depicted here in brilliant color and detail using high-speed Schlieren imaging are bubbles as they collapse after impact from a particles. The spherical geometry of a bubble is due to the natural tendency toward an even distribution of the lowest possible surface tension. Once damaged the membrane rapidly recedes from the point of impact converting the liquid film into tiny droplets. Even the boundary layer of flow around the incoming particle can be seen distorting the bubble’s shape prior to collision.
These videos were produced out of MIT’s Edgerton Center by a team of professors as a part of their high speed imaging courses. A rubber tube loaded with Glycerin was used to produce the bubbles while ultra slow-motion video was captured using a color Schlieren technique.
Known Authors According to Youtube Attribution: Jim Bales, MIT Edgerton Center J. Kim Vandiver, MIT, Edgerton Center Edward Moriarty, Edgerton Center Rob Watkins, Tesla Benn Stutrud, Anderson Windows and Doors Jason Davis, Nammo Talley Inc. Kyle D. Gilroy, Vision Research, Phantom
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Sources for Surface Tension and Bubble Formation :