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Size of pipe needed to transport helium problem

  1. Mar 4, 2013 #1
    1. The problem statement, all variables and given/known data

    An engineer is designing a system that requires transporting .01 m^3/s of helium at 15°C and 120 kPa. The velocity of the pipe is limited to 40 m/s. What size (diameter) of pipe is needed?

    My question is what equation do i need to solve this problem????

    2. Relevant equations

    Im not sure possibly Bernoulli's equation.

    3. The attempt at a solution

    need equation first
     
  2. jcsd
  3. Mar 5, 2013 #2

    SteamKing

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    Homework Helper

    The problem is not asking you to find any pressure drops or changes in velocity of the helium. The problem is simply this: given the volumetric flow rate and the maximum speed of the helium, what is the diameter of the pipe required to satisfy these constraints? Hint: think continuity.
     
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