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Compressible air flow from a tank through a regulator

  1. Sep 29, 2016 #1
    This is probably a simple question but I am really struggling as to where to start.
    We have a tank of compressed air,
    Volume of tank (V1) = 0.2litres
    Pressure of tank (P1) = 206.8 bar

    Regulator Pressure (P2) = 58.6 bar

    I would like to find the volume of air that can pass through the regulator before the pressure drops below the 58.6 bar value (i.e. when the output pressure is no longer constant). I assume I couldn't use boyles law for this due to the fact that the air is compressed/compressible or would the flow between the tank and regulator be in-compressible.

    Overall we are trying to obtain values for thrust provided by the air (over a range of tanks and regulators) and assumed that this was a reasonable place to start.

    Any help would be greatly appreciated.
     
  2. jcsd
  3. Sep 29, 2016 #2

    JBA

    User Avatar

    How the pressure in the tank is reduced is irrelevant to the pressure/volume change in the tank so Boyles Law still applies.
     
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