Kylmäainekierros

The term "kylmäainekierros" translates from Finnish to English as "refrigerant circuit" or "refrigeration cycle." This refers to the closed loop system in refrigeration and air conditioning devices where a refrigerant circulates to transfer heat. The primary function of the kylmäainekierros is to absorb heat from a cooled space and release it into a warmer environment.

The cycle typically involves four main components: the compressor, the condenser, the expansion valve, and the evaporator. The compressor increases the pressure and temperature of the refrigerant, which is in a gaseous state. This hot, high-pressure gas then flows to the condenser, where it releases heat to the surroundings and condenses into a high-pressure liquid. The liquid refrigerant then passes through an expansion valve, where its pressure and temperature drop significantly. Finally, the cold, low-pressure liquid refrigerant enters the evaporator, where it absorbs heat from the space to be cooled, turning back into a gas. This gas then returns to the compressor, completing the kylmäainekierros. This continuous process allows for the efficient cooling of spaces or the preservation of goods at low temperatures. The specific properties of the refrigerant used are crucial for the effective operation of the kylmäainekierros.