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In the late 19th through mid-20th centuries, mechanical refrigeration was developed, improved, and greatly expanded in its reach. [3] Refrigeration has thus rapidly evolved in the past century, from ice harvesting to temperature-controlled rail cars , refrigerator trucks , and ubiquitous refrigerators and freezers in both stores and homes in ...
1864 – Charles Tellier patented a refrigeration system using dimethyl ether; 1867 – Thaddeus S. C. Lowe patented a refrigeration system using carbon dioxide, and in 1869 made ice making machine using dry carbon dioxide. The same year Lowe bought a steamship and put a compressor based refrigeration device on it for transport of frozen meat.
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 table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Type/prefix (see legends); ASHRAE number
The ASHRAE Handbook is the four-volume flagship publication of the nonprofit technical organization ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers [a]).
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).
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