Heating Air with Steam

Calculating heating air with steam

Steam is often used to heat air. The steam condensing rate for air equipment can be calculated as

m_s = q dt c_p / h_e         (1)

where

m_s = rate of condensation, steam consumption (kg/s)

q = volumetric air flow rate (m³/s)

dt = temperature difference in air flow (^oC)

c_p = specific enthalpy of air (kJ/m^{3 o}C)

h_e = specific enthalpy of evaporating steam (kJ/kg)

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