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Compressed air at high pressure can cause frostbite?

  1. Dec 9, 2008 #1
    Is it possible to get frostbite from compressed air? How does this happen?
     
  2. jcsd
  3. Dec 9, 2008 #2

    mgb_phys

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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.
     
  4. Dec 9, 2008 #3
    Thanks, I appreciate it. I was curious.
     
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