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Absorption cooling, or absorption refrigeration, is a type of cooling that uses a heat source instead of a mechanical compressor to provide the cooling effect. This is achieved through a thermodynamic cycle that involves an absorbent and a refrigerant. The most common systems utilize water as the refrigerant and lithium bromide as the absorbent, or ammonia as the refrigerant and water as the absorbent.
The absorption cycle typically consists of four main components: the generator, the condenser, the evaporator, and
A key advantage of absorption cooling is its ability to utilize waste heat or low-grade heat sources,