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Head loss formula in series pipe

  1. Mar 22, 2016 #1
    1. The problem statement, all variables and given/known data
    i know that the formula of head loss is (V^2) / 2g , where v =velocity , but , why did the author want to change it to k[(Q)^1/n ] ???

    2. Relevant equations


    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Mar 23, 2016 #2

    haruspex

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    I don't know what the author's plan is - seeing the entire text might help - but in that equation the author is merely saying suppose in general that the head height is proportional to the mass flow rate raised to some power. The constant of proportionality and the power constant might allow for drag, say.
     
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