Earliest forms of cooling
The seasonal harvesting of snow and ice is an ancient practice estimated to have begun earlier than 1000 BC. A Chinese collection of lyrics from this time period known as the … See more

In the last century, refrigeration allowed new settlement patterns to emerge. This new technology has allowed for new areas to be settled that are not on a natural channel of … See more

Probably the most widely used current applications of refrigeration are for air conditioning of private homes and public buildings, and … See more

Methods of refrigeration can be classified as non-cyclic, cyclic, thermoelectric and magnetic.
Non-cyclic … See more

Agriculture's role in developed countries has drastically changed in the last century due to many factors, including refrigeration. … See more

In the late 19th Century and into the very early 20th Century, except for staple foods (sugar, rice, and beans) that needed no refrigeration, the available foods were affected heavily by the seasons and what could be grown locally. Refrigeration has removed these … See more

The refrigeration capacity of a refrigeration system is the product of the evaporators' enthalpy rise and the evaporators' mass flow rate. The measured capacity of refrigeration is often dimensioned in the unit of kW or BTU/h. Domestic and commercial … See more