Thermal emissivity of gases

  • Thread starter gemt
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  • #1
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Hi,

Can anyone give me any information on where i could find information on the emissivity of a gas, particulally argon, or how i can calculate it??? i am trying to create a graph of heat transfer against temperature and see which plays a larger role at particular temperatures when transfering heat through a gas.

Thanks

Gemma :-)
 

Answers and Replies

  • #2
Curiously with Argon being a rare gas and the observation that oxygen nitrogen and the rare gases do not emit radiation in the IR range of the EMR at ordinary temperatures the answer is the emissivity is very very low.

http://dspace.mit.edu/handle/1721.1/11211
 
  • #3
4,662
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Can anyone give me any information on where i could find information on the emissivity of a gas, particulally argon, or how i can calculate it??? i am trying to create a graph of heat transfer against temperature and see which plays a larger role at particular temperatures when transfering heat through a gas.
Are you more interested in heat conduction by gases? See
http://www.decompression.org/maiken/Why_Argon.htm
Also consider heat convection by gases.
 

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