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

Table 2

Experimental conditions.

Experiment no.	Continuous experiment period	Borehole in action	Operation mode	Flow rate (kg/s)	Average inlet temperature (°C)
1	16 Aug. 2015–15 Oct. 2015	#4	Single-U heat injection (storage mode)	0.34	30.3
2	14 Jul. 2016–17 Sep. 2016	#1 and #3	Single-U heat injection (storage mode)	0.34	30.3