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Net Refrigeration Effect

The quantity of heat absorbed from a refrigerated space.

Net Refrigeration Effect is

"the quantity of heat that each pound of refrigerant absorbs from the refrigerated space to produce useful cooling"

Net Refrigeration Effect can be calculated as

NRE = h l - h e (1)


NRE = Net Refrigeration Effect (Btu/lb, J/kg)

h l = enthalpy of vapor leaving evaporator (Btu/lb, J/kg)

h e = enthalpy of vapor entering evaporator (Btu/lb, J/kg)

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    Design of Air Conditioning systems - heating, cooling and dehumidification of indoor air for thermal comfort.

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