Assessment of Energy Potential and Benefit under the Ground Source Heat Pump Air Conditioning System in Anqing Area of Eastern China

Table 4

Test results of each test hole.

Name	Depth (m)	Backfill method	Initial temperature (°C)	Low-power thermal conductivity (W/m·°C)	High-power thermal conductivity (W/m·°C)	Average power thermal conductivity (W/m·°C)	The reference value of heat discharge (W/m)	The reference value of calorific value (W/m)
192K11	54	Bottom-up grouting	21.9	1.93	1.90	1.92	37.6	-51.1
192K12	60	Bottom-up grouting	20.8	1.80	1.80	1.80	38.1	-45.0
192K13	100	Bottom-up grouting	20.5	2.04	2.08	2.06	42.3	-48.4
192K14	100	Bottom-up grouting	20.5	2.10	2.08	2.09	45.0	-54.2