What is it about?
Mimicking the tubercles on humpback whales, we have optimised the shape of the leading-edge undulation of a NACA 65(12)-10 aerofoil, which increased the lift force and reduced the drag force in a wind tunnel test. The overall noise emitted from the aerofoil was also reduced at the same time.
Photo by Pawel Czerwinski on Unsplash
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This page is a summary of: Aerodynamic and Aeroacoustic Optimization of Leading-Edge Undulation of a NACA 65(12)-10 Airfoil, AIAA Journal, November 2021, American Institute of Aeronautics and Astronautics (AIAA), DOI: 10.2514/1.j060716.
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