1. Thermodynamics reminder
Before tackling the subject, it is interesting to know the theoretical power required to carry out the refrigeration operation at any temperature: what is the ideal value (i.e. minimum calculated by describing a Carnot cycle) of the power to be expended at room temperature (generally, power taken from the electrical network) to be able to absorb one unit of thermal power dissipated at a temperature lower than room temperature? There are two cases to consider, depending on whether operation is isothermal or non-isothermal.
1.1 Isothermal operation
If the power is dissipated in a bath of boiling liquid at constant pressure, the temperature is and remains constant, whatever the power dissipated: the regime is isothermal....
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Thermodynamics reminder
Refrigeration and liquefaction regimes
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"Industrial cooling"
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