The formula to calculate the Feed Water Enthalpy (H) is:
\[ H = \dot{m} \cdot h \]
Where:
Let's say the mass flow rate (\(\dot{m}\)) is 2 kg/s, and the specific enthalpy (h) is 500 kJ/kg. Using the formula:
\[ H = 2 \cdot 500 = 1000 \, \text{kJ} \]
So, the feed water enthalpy is 1000 kJ.