Table 2: Summation of the experimental condition for the winter model (heat pump operation).

Experiment no.1234

Average wind speed (m/s)3456
Total duration (min)60606060
Temperature change (°C)10 ~ 12.511 ~ 16.510 ~ 18.510 ~ 25
Cooling energy, (kJ)293.02644.64996.271758.12
Wind energy, (kJ)478.571134.382215.583823.53
Working efficiency, 61.2356.8344.9645.98

Climate conditionthe outdoor temperature and the indoor
temperature both are 10°C