Transforming Wind Energy
Published on Apr 19, 2016
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PRESENTATION OUTLINE
Rotor- the rotating section comprised of blades projecting from a hub
Photo by Mark Philpott
Drive shaft- the rod or shaft connected to the hub; rotates with the rotor
Photo by Snapshooter46
Torque- a force that causes rotation around an axis
Photo by lumachrome
Blade pitch- angle of blades; parallel to the wind=90
perpendicular to the wind=0
Photo by daver6sf@yahoo.com
In a windmill, each blade acts as a lever rotating around an axis.
Photo by Robb North
The more surface area the blade has, the more force the wind applies to the blade.
Photo by Zach Dischner
This force turns the rotor, turning the drive shaft, transforming the energy of the wind to mechanical energy.
Photo by esbie
