fluid dynamics
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That T-Junction In Your Sewer Line Is A Trap
Your sewers have T-junctions — places were two pipes come together and form a “T” shape. So do your arteries. A new study has found that these junctions can trap tiny particles of matter, blocking normal healthy flow.
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Even Simple Convection Can Look Beautiful
This looks like it could be a fabric print, but in fact you’re looking at magnified view of a phenomenon known as Rayleigh-Benard convection, as temperature differences drive the motion of silicone oil.
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This Is What The Air Flow Around A Vertical-Axis Wind Turbine Looks Like
Briefly: This is what the air flow around a vertical-axis wind turbine looks like. Created by researchers at Caltech, these flow visualisations allow engineers to work out where to place new turbines — to make sure they’re both safe and efficient.