The Working Process Of Car Air Conditioning

The refrigerant continuously circulates in the system, and each cycle includes four processes: compression process, condensation process, throttling process, and evaporation process.
Compression process:
When the compressor is working, it sucks in low-pressure and low-temperature gaseous refrigerant coming out of the evaporator, which is compressed into high-pressure and high-temperature gaseous refrigerant and discharged into the condenser.
Condensation process:
In the condenser, the refrigerant exchanges heat with the outside air. Due to the higher temperature of the refrigerant compared to the outside air, the high-pressure and high-temperature gaseous refrigerant releases heat and transfers it through the condenser to the outside air flowing through the condenser, which then condenses into a high-pressure and high-temperature liquid refrigerant and flows to the throttling device.
Throttling process:
In the throttling device, high-pressure and high-temperature liquid refrigerant becomes low-pressure and low-temperature liquid refrigerant, and enters the evaporator.
Evaporation process:
In the evaporator, the refrigerant exchanges heat with the air inside the car. Due to the lower temperature of the refrigerant compared to the air inside the vehicle, the low-pressure and low-temperature liquid refrigerant absorbs the heat from the air inside the evaporator, and evaporates into a low-pressure and low-temperature gaseous refrigerant.