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    Nov 17, 2007, 08:55 AM
    wind load on windmill
    Hello. I am designing a windmill and I would like to know what the wind pressure is on it under varying conditions.

    I need an equation for this.

    The surface area of the windmill that will be facing the wind will be "A" .
    A can vary from 2 square meters to 9 square meters.

    The height that the windmill will be above the level flat ground will be "H" .
    H can vary from 3 meters to 30 meters.

    The wind speed will be "S" .
    S can vary from 8 Kilometers per Hour to 160 Kilometers per Hour.

    The mass density of the air will be "p" .
    p can vary from: 1.168 kg/m3 {At standard ambient temperature and pressure (25 °C and 100 kPa) and 0% humidity}
    to whatever it is at 100% humidity.

    I want a generic formula where I can plug in these all in and get the wind load on my windmill (not including the pole that supports it).

    Thanks.

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