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Fluid dynamics

  1. Dec 17, 2003 #1
    Given a container with a gas, assuming a constant internal/external pressure differential, with a hole of a particular diameter/area, what is formula to compute the rate at which the gas exits the hole.

    Assume we're talking ideal gas or air and anything else that I haven't given, but are needed.

    You might also assume you're speaking to someone with little or no fluid dynamics under his belt.
     
  2. jcsd
  3. Dec 17, 2003 #2
    it is inversely proportional to square root of molecular mass of the gas assuming ideal behaviour

    and directly proportional to Pressure and Area of hole
     
  4. Dec 17, 2003 #3
    Thanks.

    I assume it would also include some constant. If so, what would the constant be for a typical ideal gas or air? Just getting it into the right ball park is fine - I'm not computing anything exact.
     
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