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Engine LO Consumption - Rate Check

Main-engine lube-oil consumption rate vs shop-test baseline - trending identifies liner wear, fuel dilution or ring sealing issues.

Lube oilConsumptionEngine
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Formula, assumptions, and limits

SLOC=m˙LO1000PME\text{SLOC} = \frac{\dot m_{LO} \cdot 1000}{P_{ME}}
SymbolMeaningUnit
SLOCSLOCSpecific lube-oil consumptiong/kWh
m˙LO\dot m_{LO}Lube-oil mass flowkg/h

Source: MAN ES Operating Guide

In short

Main-engine lube-oil consumption rate vs shop-test baseline - trending identifies liner wear, fuel dilution or ring sealing issues.

Learn the theory Engine Performance Monitoring: PMI Systems