Recent content by Sandi

Interesting. So my takeaway is you think that each doubling of the OD of the pipe could result in more than a doubling of total heat transfer. It will be interesting to see if anyone else has a different opinion. Thanks for your input!

Thanks. I am assuming that the thermal conductivity of the pipe is higher than that of the soil so the limiting interface is the pipe to soil boundary. I agree that the emitting surface has doubled, but I am thinking that sets an upper bound on the increase in heat transfer. The reason I was...

1. My first hypothesis is that the thermal conditions of a ground source heat pump (GSHP) ground loop never reach steady state because the thermal mass of the surrounding soil is large enough that the time constant for temperature gradients moving away from the pipe before reaching boundary...