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Fluid Dynamics

  1. May 24, 2013 #1
    Hello, is there anyone who can help me with this? Im completely stumped. Here is the situation:

    Point A: Water is flowing into a valve at 559 (mbar) of pressure and into a cylinder thats 12 mm long and 7mm in diameter.

    Point B: It then will enter another cylinder that is 40 mm long 10 mm in diameter.

    Point C: At this point it will enter another cylinder 5mm long and 7mm in diameter.


    Im trying to figure out what the pressure will be at Point C so that I can choose the correct umbrella valve to use so that water flows out of the chamber.
     
  2. jcsd
  3. May 24, 2013 #2
    Many... :smile:

    If all the points : A,B and C lie in the same streamline, you can apply "Bernoulli's Theorem", at A,B and C respectively.

    Best of luck buddy !! :)
     
  4. May 24, 2013 #3
    Thanks!! Does this apply also if I change the shape of the chamber? Meaning, instead of a cylinder its an oval? Im young and inexperienced lol
     
  5. May 25, 2013 #4
    Provided that when the shape of chamber is changed, that is A,B and C are ovals, then also you can apply Bernoulli's Theorem, if A,B and C lie in a same streamline.

    And So am I. :tongue:
     
  6. May 26, 2013 #5
    If the flow is incrompressible and also irrotational then you can apply Bernulli's theorem between any points in the flow.
     
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