Phase change materials effect on the thermal radius and energy storage capacity of energy piles: Experimental and numerical study …
The experimental setup and description are thoroughly covered in Mousa et al. [55, 56], A rebar cage with a diameter of 9 cm was fastened in the mold base and its circular shape was maintained using a copper ring, as shown in Fig. 2 (a) The 4 U-loop copper HEX was then fastened inside the rebar cage, as shown in Fig. 2 (b).). The …