WebSep 22, 2024 · Through the use of slow-motion camera footage, researchers discovered the wing feathers make a vibrating noise when they are rubbed together quickly enough. Listen to the sound made by the... WebJul 4, 2024 · The researchers analysed owl-inspired feather wing models with and without leading edge serrations, by combining large-eddy simulations - a mathematical model for turbulence used in computational fluid dynamics to simulate air flows - and Particle-Image Velocimetry (PIV) and force measurements in a low-speed wind tunnel.
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