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How to convert airflow from m³/h to m/s for wind turbine selection?

mito 45964 3
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  • #1 641055
    mito
    Level 11  
    Posts: 24
    Rate: 7
    Hello :) The question seems simple, but I'm not sure, so I'm curious about the answer ... it's about converting the flow (air stream) m3 / h to m / s ... This is needed to select a windmill :) - that's a hint ...
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  • #2 641060
    Gorgoroth
    VIP Meritorious for electroda.pl
    Posts: 1852
    Help: 28
    Rate: 61
    It is impossible to calculate, how do you want to change the volume to length? One would have to know the cross-sectional area of the tunnel in which this air flows
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  • #3 641072
    sokmarcin
    Level 20  
    Posts: 460
    Help: 7
    Rate: 235
    Hello
    m3 / h is the t unit of flow rate (Qv), and Qv = S * V, where S conduit section [m2], V - air velocity [m / s]
    after transformations: V = Qv / S [m / s] so much that Qv must be in m3 / s
    m3 / h to m3 / s, you probably already know how to convert? :)

    Regards
  • #4 641075
    mito
    Level 11  
    Posts: 24
    Rate: 7
    Exactly ... I agree ... so for this information I need the area of the windmill (square meters), then I will have the air flow speed (because m3 / h is the windmill efficiency - that's how I understand it, am / s air flow speed forced by a windmill with a given area) ...
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