Pressure build up profile in gas container

  • Thread starter Arkon
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  • #1
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Main Question or Discussion Point

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).
 

Answers and Replies

  • #2
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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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