Hi Artman
Thank you for your response. Let me see if I understand this.
The heat loss in Watts is
Watts = k * Area * Temperature Differnce / Thickness Material (L)
So assume k for Perlite concrete is 0.09. Then simplifying for one pipe laid in a cylindrical tube of concrete radius...
Hi
I hope you do not mind me joining this discussion, but I found this thread on a Google search. I have a related problem.
I am thinking of installing a set of Glass tube heat pipe solar pannels to help run my underfloor heating system. My only problem is that they can only be situated...