If a turbine is more efficient than a propeller for planes producing wind force, why isn’t it used for wind energy the other way around?
In: Engineering
There are systems called ducted fan wind turbines include a stationary sleeve which wraps around the circumference of the area where the blades rotate. This increases the amount of power you can generate with a given size of rotors, but the increased weight and complexity of the system means that it’s easier to just build more of the “normal” kind of turbine as long as you have the space to put them.
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