Physics of Fluids

Cat's eyes: Designing the perfect mixer

As any amateur baker knows, proper mixing is crucial to a perfect pastry. Mix too little and ingredients will not be evenly distributed; beat instead of fold, and a soufflé will fall flat. Mixing strategies ...

dateOct 29, 2013 in General Physics
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How the kettle got its whistle

(Phys.org) —Researchers have finally worked out where the noise that makes kettles whistle actually comes from – a problem which has puzzled scientists for more than 100 years.

dateOct 25, 2013 in Soft Matter
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Shifting winds in turbine arrays

Researchers modeling how changes in air flow patterns affect wind turbines' output power have found that the wind can supply energy from an unexpected direction: below.

dateOct 22, 2013 in General Physics
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How Earth's rotation affects vortices in nature

What do smoke rings, tornadoes and the Great Red Spot of Jupiter have in common? They are all examples of vortices, regions within a fluid (liquid, gas or plasma) where the flow spins around an imaginary straight or curved ...

dateOct 15, 2013 in General Physics
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Computer model predicts red blood cell flow

Adjacent to the walls of our arterioles, capillaries, and venules—the blood vessels that make up our microcirculation—there exists a peculiar thin layer of clear plasma, devoid of red blood cells. Although it is just ...

dateAug 13, 2013 in Soft Matter
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Simulating flow from volcanoes and oil spills

Some time around 37,000 BCE a massive volcano erupted in the Campanian region of Italy, blanketing much of Europe with ash, stunting plant growth and possibly dooming the Neanderthals. While our prehistoric relatives had ...

dateAug 12, 2013 in Soft Matter
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Engineers model the threat of avalanches

(Phys.org) -- Snow avalanches, a real threat in countries from Switzerland to Afghanistan, are fundamentally a physics problem: What are the physical laws that govern how they start, grow and move, and can theoretical modeling ...

dateJul 25, 2012 in Soft Matter
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