Vaporization (liquid becoming a vapor) is the process of absorbing heat; Liquefaction (turning steam into water) is the process of releasing heat, and both refrigerators and air conditioners work the same principle as follows
(Low temperature and low pressure) refrigerant (gas) → compressor → (liquefied) liquid refrigerant (high temperature and high pressure) → radiator (the surface of the refrigerator releases heat) → liquid refrigerant (low temperature and high pressure) → capillary tube → evaporator inside the refrigerator (copper tube wrapped around the inner wall of the box) gasification, which is also heat absorption → the temperature inside the refrigerator will decrease → (gasification) refrigerant (low temperature and low pressure) → compressor
In this way, the heat in the box is transferred from the recycling process to the outside with refrigerant as the valence substance.
(Selected from Baidu Baike)
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