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Water stream diameter

  1. Nov 2, 2014 #1
    1. The problem statement, all variables and given/known data

    Daphne goes to the kitchen for a glass of water. She turns on the faucet so the stream of water is laminar flow. She notes that the diameter of the water steam decreases with distance below the faucet assuming that the water exits the faucet of diameter D with speeds v0, find the diameter of the stream as a function of y.

    2. Relevant equations

    We have to create a step by stem reasoning for the solution of the problem.
    So far we have come up with using:
    Bernoulli's principle, continuity principle and and energy diagram.

    Can anyone help break down this problem and actually explain what the principles actually do?
    3. The attempt at a solution
     
  2. jcsd
  3. Nov 2, 2014 #2

    mfb

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    2016 Award

    Staff: Mentor

    What do you expect in terms of the water velocity, pressure and the amount of water flowing through the cross-section per time?
     
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