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Wind drag, drag coefficient

  1. Jun 30, 2012 #1

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    1. The problem statement, all variables and given/known data

    angled piece of sheet set at various distances to a set fan, the sheet is placed on scales and they measure the amount of force the wind creates. There are noticeable differences at the different distances and angles.

    2. Relevant equations

    wind force and wind pressure:
    F=A*P*Cd
    Wind pressure: 1/2 * (air density) * wind speed ^2 * shape factor

    3. The attempt at a solution
    I have no Idea what to do, I've tried of how I think it is done and it is all wrong, if someone can explain the constants and how to calculate everything that would be great
     
  2. jcsd
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