Energy Transfer Equation

Fluid energy transfer

The energy transfer of a substance can be expressed as

Q = m cp dt                                   (1)


Q = quantity of energy transferred (kJ, Btu)

m = mass of substance (kg, lb)

cp = specific heat of the substance (kJ/kgoC, kJ/kgoK, Btu/lb oF)

dt = temperature difference (rise or fall) in the substance (oC, K, oF)

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