Wind Turbine Blade with Leading Edge Tubercles (3D Printable)
grabcad
The article "Numerical Investigation of the Effect of Leading-Edge Tubercles on Propeller Performance" explores the impact of tubercles on propeller efficiency. Read more at https://arc.aiaa.org/doi/10.2514/1.C034845 or http://www.iaeng.org/publication/WCE2018/WCE2018_pp586-595.pdf. Currently, no CFD analysis has been conducted, but it is predicted that the efficiency could increase by 8%-10% with tubercles. This study uses a small table top model; any potential injuries resulting from printing are not the author's responsibility.
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