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Re: [APD] Re: Aquatic-Plants Digest, Vol 18, Issue 7
S. Hieber wrote:
Well, actually I believe it would. The frost line yes, is a direct
result of the depressurization. The tank was left in the standing
position and depressurized. The frost line appered from the liquid line
and crept downward with it until the tank was empty, which makes sense.
If the tank was upside down and the valve opened, the same would happen,
but the frost line would move outward, towards the empty side of the
container as the gas escapes. I do believe that liquid C02 might jet out
of the valve however.
The frosting is from the rapid escape of the presurised
contents and doesn't really have much to do with the tank's
I had around 300lbs left in my tank, so I took of the
regulator and let
'er rip. The bottom half of the tank frosted. From a dead
sleep my two
cats ran out of the house like bats outta hell from the
So the effect is the same, there's just this notion of "right side up"
that we have to contend with and is giving us all this trouble. If the
tank were on it's 'side', valve 'upward' and pressure released, the
frost line would appear horizontally across the tank and move 'down'
So what kind of valve is used in space? The tank contents (if liquid)
wouldn't conform to one side of the tank opposite the valve.
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