Blue food dye in water exhibits the Rayleigh Taylor instability, complete with ‘umbrella’ formations.

Blue food dye in water exhibits the Rayleigh Taylor instability, complete with ‘umbrella’ formations.

FlowVis@CU
2015, 2015 Get Wet, Bag/Umbrella Instabilty, Flow Categories, Flow Vis Techniques, Images, Marked Area, Media, Negatively Buoyant, Plumes and Drops, Rayleigh-Taylor Instability, z Class & Assignment

By Christopher O’Brien for Fall 2015 Get Wet.
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Drops of food dye sequentially make their way through a layer of coconut oil into water, creating ‘fireworks in a jar’, shown upside down here.
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Food dye in water, with the top surface moving to the right distorts the usual Rayleigh Taylor formations.

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