Gas/liquid with coolant properties

AI Thread Summary
The discussion focuses on identifying a gas or liquid that can absorb a significant amount of heat when passed through a hollow copper tube, where heat is generated on the tube's surface. The key requirement is that the chosen substance must not conduct heat at any point and ideally should absorb more heat than is generated, effectively cooling the tube. Participants reference specific heat capacity data to evaluate potential candidates for this application, emphasizing the need for high heat absorption capabilities without thermal conductivity.
origen87
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Greetings,
I need to know which gas/liquid can absorb high amount of heat when passed through a hollow copper tube, heat is generated on the tube. The gas/liquid should not be conducting at ant point. If possible the conductor should absorb more heat than is generated at the tube.i.e it should cool the tube.
 
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Pick http://www.engineeringtoolbox.com/spesific-heat-capacity-gases-d_159.html"
 
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