New type of wind power generator

Discussion in 'Earth Science' started by Sorcerer, Feb 13, 2014.

  1. Russ_Watters Not a Trump supporter... Valued Senior Member

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    5,051
    Oy, no. Air flows from areas of high (total) pressure to areas of low pressure. The rotation doesn't create anything, the rotation is created by the high pressure upstream pushing on the turbine blades. The specifics of the interaction involves flow over a wing and simultaneous low and high pressure areas "above" and "below" it, but that net force is perpendicular to the relative wind. It isn't what drives air through the turbine, it just influences the turbine's efficiency.

    You are mismashing together turbines, fans and wings.
     
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  3. billvon Valued Senior Member

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    12,716
    Definitely not!

    You are thinking about Bernoulli backwards. The combination of forces is trying to suck the blade BACKWARDS. (In other words, if the hub suddenly decoupled, the turbine would move downwind.) The hub opposes that force, and the lift of the blades translates that force into rotation.
     
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  5. iceaura Valued Senior Member

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    It doesn't matter, from which direction the bird's flight path deflects into the sweep area.
     
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