Image: Flow Visualization - A Course in the Physics and Art of Fluid Flow
Flow Visualization Home Galleries Course Info Links
2012 Gallery - Get Wet
For their first assignment, students were encouraged to explore everyday fluid dynamics such as plumes of food coloring, flames, and smoke.



Preston Wheeler

Oobleck falls through partially dyed water, viewed upside down and color-inverted.
More information


Kerylyn Lay

The umbrella instability is observed in liquid drops settling in a fluid of lower density.Here, food dye falls in water.
More information


Ryan Kelly

Dye falling through water at low Reynolds number exhibits the Rayleigh-Taylor 'umbrella' instability.
More information


Douglas Schwichtenberg

Food dye falling through water exhibits the Rayleigh-Taylor umbrella instability.
More information


Gregory Lundeen

A falling stream of 'Royal Purple' synthetic motor oil penetrates into water.
More information


Hamed Yazdi

Air bubbles cling to the walls as food dye falls through dish soap.
More information

Dyed Feet
Anthony Johnson

Dye falling through water illustrates the Rayleigh-Taylor instability. Here it is sideways, color-reversed and mirrored.
More information


Alyssa Berg

Gold ink beads up in a vegetable oil layer, then falls through and mixes with water below.
More information


Jennie Jorgenson

Dyed water droplets in oil act as lenses, imaging their neighbors.
More information

Planet Oil 3 from Flow Visualization @ CU Boulder on Vimeo.


Joshua Lester

Hot oil slides over water and balsamic vinegar (the Maillard effect), and is compared to a digitally warped version done in After Effects.
More information


Andrew Tycksen

Olive oil floating on water acts as a lens, magnifying and scattering light.
More information


Peter Davis

Water poured through olive oil creates bubbles large and small.
More information


Alexander Ting

A Mentos mint dissolving in soda water, viewed upsidedown.
More information


Devin Ohmart

Food coloring dissolves Alka-Seltzer powder, creating dark bubbles.
More information


David Oakley

A long exposure shows bubble motion in swirling flow.
More information


Jacob Wright

Bubbles formed by air rushing into a bottle of shampoo.
More information


Jake Anderegg

CO2 from dry ice bubbles up through a water and highlighter ink mixture, color reversed.
More information


Nicholas Travers

A soap bubble stretched across a wine glass is thinnest at the edge. Color-inverted image.
More information


Ankit Sharma

Some food dye remains at the surface after being dropped into water, and swirls.
More information


Joshua Smith

A stirrer created a vortex in a glass of water, visualized with a few drops of food coloring.
More information


Nick Coate

A vortex deforms the surface of dyed water in a wine glass, viewed from below.
More information


Jeff Byrne

A bathtub vortex dyed with highlighter ink.
More information


Scotty Hamilton

Burning gasoline is reflected in black tempered glass.
More information

Remote Reignition from Flow Visualization @ CU Boulder on Vimeo.


Guy Cassavan

The smoke plume from a freshly extinguished candle contains enough fuel to conduct flame back down to the wick, reigniting it.
More information


Nathan Amack

Burning non-dairy coffee creamer powder.
More information

Bring the Heat
Nick Shearon

A baseball soaked in acetone burns, clearly showing a blue reaction zone near the ball.
More information


Jeremy Baugh

A pool of nail polish remover burns in several stages.
More information


A flame ignites gel hand sanitizer, which burns at low temperature.


More information


Mitchell Stubbs

Gasoline burning on a mirror in the snow.
More information


Joshua Hecht

The outer surface of a marshmallow melts as it burns.
More information


Benjamin Pacheco

E7 liquid crystal spreading over glycerin, viewed with a 20X, cross polarized microscope. The color indicates film thickness, and the dark areas correspond to specific crystal orientations.
More information


Amanda Childress

A wine glass filled with water acts as a lens, inverting the objects beyond.
More information


Nick Beato

Liquid soap drips down from two dangling strings of Mardi-Gras beads.
More information


Colin Stewart

Water is propelled upwards by a loudspeaker.
More information


Ernesto Grossmann

Worthington jet formation due to a water droplet impinging on a water pool.
More information


George Seese

Fluorescent diluted laundry detergent mixes with water after being poured in from 20 inches up.
More information

Ice Bulbs
Hayley Schneider

Hard rime is formed by surface wetting and freezing by fine liquid particles.
More information


Andrew Fish

A jet of hot sauce impinging on a planar surface at an angle, a la Dexter.
More information


Brayden Hass

A buoyant plume of smoke spreads as it impinges on an angled surface, viewed upside down.
More information


Travis Brown

Time average of the smoke plume from a smoldering ball of toilet paper, showing a transition from laminar to turbulent flow.
More information


Emily Howard

Smoke plumes from trick (re-lighting) candles begin to transition to turbulence as they accelerate upwards.
More information


Michael Chilton

Droplts from an ultrasonic humidifier are estimated to be 76 microns in diameter.
More information


Quan Li

The jet of mist from a humidifier is cool and dense, and falls, inducing mixing.
More information


Sam Sommers

Cigar smoke exhaled to form a vortex ring and cloud.
More information


Sreyas Krishnan

Dyed oobleck on a loudspeaker was excited by a pulsed waveform.
More information