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Pressure build up profile in gas container

  1. Sep 6, 2012 #1
    I have methane leaking into a gas container from a connected reservoir cylinder. If the volume of the container is fixed and the initial pressure is known (say atmospheric), how can I determine the leak rate from the pressure build-up versus time relationship. The pressure versus time profile seem to follow a power relationship (i.e pressure increases rapidly at initial stage and then the build-up rate decreases).
     
  2. jcsd
  3. Sep 6, 2012 #2
    Look up Bernoulli's equation. That will lead you to the flow rate, which is volume per time. I assume you mean flow rate instead of leak rate.
     
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