The same temperature, flow conditions, the same heat exchanger as an evaporator or condenser, which heat transfer coefficient is high, why?
When the condenser is used, the internal refrigerant is high pressure and high temperature, the same material, the temperature is high, and its thermal conductivity is high.
When the condenser is high, the thermal conductivity is high.
The refrigerant in the evaporator is low pressure and low temperature, and all the thermal conductivity is low
