What is it about?
The article is about copying the bumps present on a humpback whale's flippers on to various shapes and sizes of airplane propeller blades.
Photo by Andrew Ruiz on Unsplash
Why is it important?
Adding these bumps to the propeller seems to decrease the power required from the airplane's engine to rotate the propeller.
Read the Original
This page is a summary of: Numerical Investigation of the Effect of Leading-Edge Tubercles on Propeller Performance, Journal of Aircraft, January 2019, American Institute of Aeronautics and Astronautics (AIAA), DOI: 10.2514/1.c034845.
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