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Assuming maximum efficiency is not the primary concern (but net positive efficiency is), to what extent could a wind turbine operate in water and vice versa?

How do the different turbine types fare in this respect? I.e., HAWT / VAWT (Savonius, Darrieus, Gorlov) for air turbines, reaction (Francis, Kaplan, Gorlov) / impulse (Turgo, Jonval) turbines (Pelton wheels are probably out) for water turbines?

Air
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Zubo
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1 Answers1

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Given that water is roughly 1000× as dense as air, and incompressible besides, it should be fairly obvious: A wind turbine would be destroyed by the forces that water would put on it, and a water turbine wouldn't even notice the forces created by wind.

Dave Tweed
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