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- Thread starter cpasc123
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aWhy not just use the standart 'p-v-t' relationships??

in one second, yoiu have a known volume of gas at a known temperature and pressure.

That volume is then released to occupy a much larger (unknown) volume at a different pressure-volume-temperature condition...

simple calculations ought to give you X ft^3 per unit time

Hopefully this might give you 'enough' of an acceptable answer.

in one second, yoiu have a known volume of gas at a known temperature and pressure.

That volume is then released to occupy a much larger (unknown) volume at a different pressure-volume-temperature condition...

simple calculations ought to give you X ft^3 per unit time

Hopefully this might give you 'enough' of an acceptable answer.

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So how would I have a known volume? Would I get that from the max volume capacity of the regulator (I don't think that would be correct)? If I were to use the p-v-t relationship would my initial pressure be 40 psi and my final be atmospheric? I would imagine the temperature would not change too much, but I don't know for sure and I would not be able to measure the initial temperature of the air in the compressed air system.

Why can't I just solve for the velocity of the air, which would seem to be a lot simpler?

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