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Engineering ToolBox > Heating Air with Steam
Steam is often used to heat air. The steam condensing rate for air equipment can be calculated as
ms = q dt cp / he (1)
where
ms = rate of condensation, steam consumption (kg/s)
q = volumetric air flow rate (m3/s)
dt = temperature difference in air flow (oC)
cp = specific enthalpy of air (kJ/m3 oC)
he = specific enthalpy of evaporating steam (kJ/kg)