The coefficient of performance (COP) of the series system ranged from 1.81 to 3.22, while the COP of the parallel system was in the range of 1.51e2.92 under the cooling capacity of 100 W
The coefficient of performance (COP) of theseries system ranged from 1.81 to 3.22, while the COP of the parallel system was in therange of 1.51e2.92 under the cooling capacity of 100 W