Analysis of the possible thermal storage with ground heat exchangers

This work is the first stage of an analysis aiming to check the possible use of the ground as thermal storage. Two models (CaRM and COMSOL) have been used. Results have shown that, the thermal energy stored in the ground grows when the distance between the vertical ground heat exchangers increases. Once fixed the distance between the probes, the value of the thermal energy stored in the ground remains almost unchanged even if the number of probes changes, if the total length of the heat exchangers is constant.