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Fluid dynamics

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In fluid dynamics, we like to classify flows as laminar—smooth and orderly—or turbulent—chaotic and seemingly random—but rarely is any given flow one or the other. Many flows start out laminar and then transition to turbulence. Often this is due to the introduction of a tiny perturbation which grows due to the flow’s instability and ultimately provokes transition. An instability can typically take more than one form in a given flow, based on the characteristic lengths, velocities, etc. of the fl

In fluid dynamics, we like to classify flows as laminar–smooth and orderly–or turbulent–chaotic and seemingly random–but rarely is any given flow one or the other. Many flows start out laminar and...


One of the challenges of experimental fluid dynamics is capturing information about a flow that varies in three spatial dimensions and time. Experimentalists have developed many techniques over the...

Food Coloring, Fluid Dynamics, and an Awesome Lab Demo | Science-Based Life

Watch this awesome fluid dynamics lab demo, and then stick around for the science: How fluids flow Liquid flows are described in two regimes, laminar and turbulent. Laminar flow is a smooth, consta…

Inverted Drafting
Inverted drafting happens when a leading object encounters less drag than the object behind it. An example is when flows encounter passive objects, like flags, arranged one behind the other. Flags are considered passive because they flop around with every shifting breeze, unlike humans who are considered rigid objects.

In this image, two white, S-shaped lines are flags oriented one behind the other. The flag in the follower position cuts into the wake given off by the flag

Fluids and gases can move in strange and mysterious ways that aren’t always apparent to our unaided eyes. It's only with the use of tracers or dyes, photographic techniques and a bit of luck, that we can capture fluid dynamics in action.

Award-winning images of science in action

The Engineering and Physical Sciences Research Council photo competition allows researchers and doctoral students to share their work in pictures

Watch popular Fluid dynamics videos

Computational Fluid Dynamics was central to the engineering of the new Dyson Airwrap™ multi-styler.​ ​ Airflow is difficult to test and measure physically. But with CFD, our engineers can visualise the invisible. It means we can manufacture machines with extremely precise airflow.
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Shot Glass Dispenser: Food-grade high-transparent acrylic material, drop-proof and unbreakable. The wine dispenser is designed according to the principle of fluid dynamics, so that the wine is distributed more evenly, saving time, effort and make the party more atmosphere! Pours 6 Shots At Once: The Drinks Dispenser with six shots will allow you to easily fill up to six shot cups at once with your favorite beverage and then hold them up, all in one! Fills up multiple shot cups at one time, saves
Hold this blue planet in your hands. Enjoy the intricate swirls of the rheoscopic fluid. Give it a bounce and then watch the particles settle. Our Department of Planetoid shrinking used the patented Nano-o-Tron on a neighboring planet to create this wonderful rheoscopic toy. Rheoscopic, what? Rheoscopic fluid is a special material that shows currents. Within this planet's shell you will see fluid dynamics visualized in spectacular ways.