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URL:  http://boards.fool.com/concrete-is-a-better-thermal-conductor-than-20116791.aspx

Subject:  Re: Radiant Heat System Date:  1/8/2004  12:44 PM
Author:  rsprang Number:  44382 of 128716

...concrete is a better thermal conductor than air.

Sure, but conduction is not the mode of heat transfer. Convection is, and air is fairly good at that.


Please say a bit more about that - are you saying that for the case of tubing embedded in concrete that you think convection is the dominant mode, or that convection is dominant only in the case of tubing in air?
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