Exhaust-gas economiser fouling detection - pressure-drop increase + feedwater temp drop.
Formula
$$ \Delta P_{rise} = (P_{actual} - P_{normal}) / P_{normal} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $ΔP$ | Gas-side pressure drop | mmWC | exhaust gauge |
Sources
- MAN ES WHRS Guide.