johndiver999
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Physics of Diving | PUNKFISH ACADEMY

is that correct?
When does the bottle become dangerously hot?
Let’s say we put a steel cylinder in the sun that is approved for 232 bar operating pressure (and tested at over 300 bar).If it has 200 bar at 20 degrees room temperature, at what temperature does it reach the 232 bar?
Solution
We remember: p1/T1=p2/T2Temperature: in Kelvin, 20 degrees Celsius – 293 Kelvin
In short, this is converted
p2xT1/p1=T2
232barx293K/200bar=339.8K – 66.8 degrees Celsius