Recent content by ZANL

Thanks SteamKing and edgepflow! I think i have all the puzzle pieces now... I will post my calc once done...

Thanks so much! I figured those heat balance equations would be used... This is quite a challenge for me. I assume we are after the U value for the tube hex? Also on the left side of the first equation...what exactly are dT and dt respectively and are they logarithmic temp differentials?

Hi, normally you don't start with a hot feed temp and then let it cool down gradually. The thermal shock is often to much for a new floor to handle. Best practice calls for a cold startup, so total re-circulation, with blending valve set to full floor return. Once running, you SLOWLY blend...

Hi all, Im new to this forum and would greatly appreciate any help i can get. I work for a solar hot water company and we have taken on an unhappy client who has been sold a custom thermal storage tank (by another firm), with a corrugated stainless steel tube immersion heater. The hot...