Designing and Optimizing Heat Storage of a Solar-Assisted Ground Source Heat Pump System in China

Table 3

Experimental parameters of the GHEs.

Parameter	Value
Grout conductivity	1.7 W/(m·K)
Soil conductivity	1.43 W/(m·K)
Pipe conductivity	0.39 W/(m·K)
Soil density	1900 kg/m^3
Soil specific capacity	2.086 kJ/(kg·°C)
Working fluid capacity	3.7 kJ/(kg·°C)
Working fluid density	1027 kg/m^3
Test flow rates	1.224 m^3/h