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Exhaust-Gas Boiler - Fouling Check

Exhaust-gas economiser fouling detection - pressure-drop increase + feedwater temp drop.

Exhaust boilerFoulingEngine
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Formula, assumptions, and limits

ΔPrise=(PactualPnormal)/Pnormal\Delta P_{rise} = (P_{actual} - P_{normal}) / P_{normal}
SymbolMeaningUnit
ΔPΔPGas-side pressure dropmmWC

Source: MAN ES WHRS Guide

In short

Exhaust-gas economiser fouling detection - pressure-drop increase + feedwater temp drop.

Learn the theory Engine Performance Monitoring: PMI Systems