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Flow Rate

  1. Feb 15, 2009 #1
    An ideal fluid flows through a pipe with radius R with flow speed v. If the pipe splits up into three separate paths, each with radius (R/2), what is the flow speed through each of the paths?

    Would we just use the flow rate equation giving a flow speed of 4v in each of the paths? Does the fact that it split up into three have anything to do with it?
     
  2. jcsd
  3. Feb 15, 2009 #2

    LowlyPion

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    You have a volume of fluid flowing through an area.

    That times Velocity is the volume passing that point.

    The volume has to go somewhere, so ...

    A*Vin = ∑ AVout

    R2*Vin = 3*(R2/4)*Vout
     
  4. Feb 15, 2009 #3
    Thanks.
     
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