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Common absorption refrigerators use a refrigerant with a very low boiling point (less than −18 °C (0 °F)) just like compressor refrigerators.Compression refrigerators typically use an HCFC or HFC, while absorption refrigerators typically use ammonia or water and need at least a second fluid able to absorb the coolant, the absorbent, respectively water (for ammonia) or brine (for water).
Adsorption refrigerators are available in the marketplace and are mainly used to produce chilled water from waste heat. Gas adsorption heat pumps are not currently available in the UK, but are just being introduced in Europe as small water or ground source packaged units that provide domestic, low-temperature space heating. [6]
Typically the minibar cooling unit was different from standard refrigerators, using absorption technology. An Italian company was the first manufacturer to install a compressor mini-refrigerator in the NASA Space Shuttle in 1982. A compressor refrigeration unit, in addition to a timer and a eutectic plate, allow saving more energy, compared to ...
Food in a refrigerator with its door open. A refrigerator, commonly shortened to fridge, is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external environment so that its inside is cooled to a temperature below the room temperature. [1]
The second paragraph is identical for Dec 2007 vs that March 2008 blog posting: Dec 2007 revision: An absorption refrigerator is similar to a regular compressor refrigerator in that the refrigeration takes place by evaporating a liquid with a very low (sub-zero) boiling point.
1920 – Edmund Copeland and Harry Edwards use iso-butane in small refrigerators. 1922 – Baltzar von Platen and Carl Munters invent the 3 fluids absorption chiller, exclusively driven by heat. 1924 – Fernand Holweck – the Holweck pump; 1926 – Albert Einstein and Leó Szilárd invent the Einstein refrigerator.
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