Solar Thermal System Evaluation in China

Table 14

Test results for a solar air-conditioning system during heating conditions.

Number	Ambient temperature	Solar irradiation	Useful heat gain	Efficiency of solar; collecting system	Total energy; consumption	Solar energy; fraction
	°C	MJ/m^2	MJ
1	−4.2	7.34	1261.2	0.38	3596.1	0.35
2	−3.4	14.43	3027.2	0.46	3763.5	0.80
3	2.2	11.49	2237.4	0.43	2935.7	0.76
4	0.7	16.66	3524.1	0.46	3976.1	0.89