International Journal of Photoenergy / 2015 / Article / Tab 14

Research Article

Solar Thermal System Evaluation in China

Table 14

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

NumberAmbient temperatureSolar irradiationUseful heat gainEfficiency of solar
collecting system
Total energy
consumption
Solar energy
fraction
°CMJ/m2MJ

1−4.27.341261.20.383596.10.35
2−3.414.433027.20.463763.50.80
32.211.492237.40.432935.70.76
40.716.663524.10.463976.10.89