Exhaust-gas economizer steam production rate given exhaust mass flow, inlet T, and evaporator pinch-point temperature.
Formula
$$ \dot m_{steam} = \frac{\dot m_{exh} \cdot c_p \cdot \Delta T}{h_{fg}} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $\dot m_{exh}$ | Exhaust mass flow | kg/s | engine performance |
| $c_p$ | Specific heat of exhaust | kJ/kg·K | exhaust analysis |
| $h_{fg}$ | Latent heat of steam | kJ/kg | IAPWS tables |
Sources
- MAN ES WHRS Guidelines.