Refrigerants

Refrigerants are substances used in air conditioning and refrigeration systems to absorb and release heat. In aviation, refrigerants are used in aircraft air conditioning systems to cool and dehumidify the cabin air. The most commonly used refrigerant in aviation is R-134a, which has replaced the previously used R-12 due to its harmful effects on the environment. Refrigerants are chosen based on their thermodynamic properties, safety, and environmental impact. The use of refrigerants in aviation is regulated by international organizations such as the International civil aviation organization (ICAO) and the Montreal Protocol on Substances that Deplete the Ozone Layer.
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