Engineering
A team of mechanical engineers at Ecole Centrale de Lyon has found that long-distance runners using pacers to reduce drag can improve their run times by running in particular formations. In their study, reported in the journal ...
Robotics
People have been fascinated by bird flight for centuries, but exactly how birds can be so agile in the air remains mysterious. A new study, published Sept. 5 in Proceedings of the National Academy of Sciences, uses modeling ...
Sep 5, 2022
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93
Robotics
Since the dawn of the aviation era, inventors have strived to build aircraft that fly as nimbly as birds, whose morphable wings allow for faster, tighter turns and more efficient gliding.
Jan 16, 2020
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590
Robotics
Birds fly more efficiently by folding their wings during the upstroke, according to a recent study led by Lund University in Sweden. The results could mean that wing-folding is the next step in increasing the propulsive and ...
Jan 13, 2023
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1002
Robotics
Researchers from Brown University have designed a new type of wing that could make small fixed-wing drones far more stable and efficient.
Jan 29, 2020
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136
Engineering
Researchers at Princeton's engineering school have found that placing a specially designed lid over a box can dramatically increase the airflow from wind blowing across the upper surface. It is not just a parlor trick. The ...
Mar 21, 2024
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38
Engineering
To prevent aircraft stalls, engineers have long studied the flow of air over airfoils such as airplane wings to detect the angles when flow separation occurs. Recently, a team of researchers at Shanghai Jiao Tong University, ...
Jan 16, 2024
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23
Energy & Green Tech
The notion that in a group of cyclists, the person in front of the group is always the most exposed to harmful vehicle pollutants has been debunked by the University of Surrey.
Apr 24, 2023
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17
Energy & Green Tech
New research has demonstrated how simulations could produce more detailed and accurate data quicker than physical wind tunnel experiments.
Jun 1, 2021
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8
Energy & Green Tech
Winter is supposed to be the best season for wind power—the winds are stronger, and since air density increases as the temperature drops, more force is pushing on the blades. But winter also comes with a problem: freezing ...
Mar 5, 2021
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