This educational video is part of the course Sustainable Energy: Design A Renewable Future, available for free via http://www.onlinelearning.tudelft.nl © TU Delft, released under a CC BY NC SA license: https://creativecommons.org/licences/... Is there a simple way to model the operation of a wind turbine? Why do most modern turbines have only 3 blades? Watch this video on the aerodynamics of wind turbines to know more.