Image: Flow Visualization - A Course in the Physics and Art of Fluid Flow
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2010 Gallery - Get Wet
For their first assignment, students were encouraged to explore everyday fluid dynamics such as plumes of food coloring, flames, and smoke.



Eric Stahl

Thin red paint drips over thick white paint.
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Mathew Schulte

Red and black acrylic paint illustrate non-diffusive mixing and folding.
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Ilya Lisenker

Particles show circulation inside a droplet experiencing the Liedenfrost (film boiling) effect.
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Ben Britton

Surface tension pulls and spreads dyed milk after acetone is dropped on the milk surface, illustrating the Marangoni effect.
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Benjamin Maples

'Tears of Wine' are the result of Marangoni effects: as alcohol evaporates from a film of wine, more wine is drawn up by surface tension.
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Allison Hamrick

Soap bubbles are trapped under ice at the edge of Boulder Creek.
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Josh Stockwell

Soap bubbles trappped beneath a glass.
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Jon VanderWeele

An impinging air jet blows aside soap bubbles, revealing a blue patterned plate beneath.
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Jason Carranza

Olive oil floating on water, viewed from underwater.
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John Murray

Raindrops sparkle in the sun.
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Patrick Zimmer

The cross section of a stream of falling water is distorted by surface tension, displaying aspects of the Plateau-Rayleigh instability.
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Jessica Lucia

A falling stream of water acts as a lens, distorting shadows behind it.
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Vien Nguyen

Sunkist soda streams down into a glass.
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Video

Daniel Notary

The Kaye Effect is illustrated with hand soap; a layer of shear-thinned fluid beneath the stream deflects a jet of fluid outward.
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Terese Decker

Dyed honey falls into water, showing buckling and coiling instabilities.
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Levey Tran

Dyed vinegar floats up through corn syrup, forming streamers.
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Jonathan Varkovitzky

Ink falling in water shows the Rayleigh-Taylor instability.
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Joseph Eisenger

Low Reynolds number jet of food dye from a syringe into water breaks down in a Kelvin Helmholtz instabilty.
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Patrick Wessels

A glass of water on a subwoofer, viewed sideways, subject to transverse excitation at 25 Hz.
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Randy Williams

Dyed milk excited vertically by a subwoofer.
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Tony Vo

Water fog created by dry ice was forced through holes in a tube, creating unstable parallel jets.
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Peter Mitrano

Atmospheric water condenses to fog above boiling liquid nitrogen.
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Christopher Svedman

Looking down on water fog above dry ice as it flows out of a bottle. An LED lights the bottle from below.
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Nathan Weigle

Incense smoke flowing over a golf ball remains laminar.
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"Fire Ball"
Stephen Lepke

Tennis balls soaked in rubbing alcohol burn on top of ice.
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Jade Jauquet

Impact of a dyed droplet on a puddle of milk created a 'crown' splash.
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Jake Gigliotti

Impact of a dyed droplet on a puddle of milk created a 'crown' splash.
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Yevgeniy Fedotov

Worthington jet from droplet impacting water in a shot glass.
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Jonathan Fragoso

Careful timing captured the impact of a falling droplet with a rising Worthington jet caused by a prior droplet impact.
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Harrison Fast

A droplet of saline solution falls through a soap bubble to create a Worthington jet.
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