Pressure Vessel and how much leakage will give a certain Pressure Drop

[Milkboy]

Hello Forum

We have a vessel on site which is held at 95 Bar

This is fed by another Vessel and Accumulator
at 105 Bar with a regulator btw the 105 and 95 vessels

The 95 Bar Vessel feeds a mech seal barrier chamber
In effect another pressure vessel

Now between the 95 Bar Vessel and the Mech Seal there is
a valve which closes every hour for five minutes and a PI
records the pressure drop at the seal

(3 Bar drop in 5 Mins is alarm)

I am leaning towards saying a 3 Bar Drop from 95 to 92 is not a lot of fluid and this would probably not mean a problem with the seal

So what I am looking for is held / advice / URLs on
how we determine how much leakage from a vessel
would give what pressure drop

TIA






-
Milkboy

 

[quark]

As a rough estimate, it is the pressure difference times the volume of the vessel. i.e 3 x volume of vessel.

For exact solution use the gas equation

PV = mRT to find molar flow rate of the gas.

Regards,


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