Cooling capacity

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Cooling capacity is the measure of a cooling system's ability to remove heat.[1] The SI units are watts (W). Other common units include tons, and tonnes, which describe the amount of water at a given temperature that can be frozen in a given amount of time.[2] 1 ton of refrigeration is the ability of a refrigerator to freeze 2000 lbm of water at 0 °C or 32 °F in the period of 24 hours. 1 ton of refrigeration is equivalent to 211 [kJ/min] or 200 [Btu/min].[3]

The basic SI units equation for deriving cooling capacity is of the form:

\dot{Q}=\dot{m}C_p\Delta T

Where

\dot{Q} is the cooling capacity [kW]
\dot{m} is the mass rate [kg/s]
C_p is the specific heat capacity [kJ/kg K]
\Delta T is the temperature change [K]

References

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