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Compressed air at high pressure can cause frostbite?

 
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Dec9-08, 12:52 PM   #1
 

Compressed air at high pressure can cause frostbite?

Is it possible to get frostbite from compressed air? How does this happen?
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Dec9-08, 01:01 PM   #2
 
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The expanding air cools ( Joule-Thomson effect)
If you have a big pressure difference the cooling effect can be very large - you get ice forming even on a CO2 fire extinguisher.
Dec9-08, 01:26 PM   #3
 
Thanks, I appreciate it. I was curious.
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