Main-engine lube-oil consumption rate vs shop-test baseline - trending identifies liner wear, fuel dilution or ring sealing issues.
Formula
$$ \text{SLOC} = \frac{\dot m_{LO} \cdot 1000}{P_{ME}} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $SLOC$ | Specific lube-oil consumption | g/kWh | engine log |
| $\dot m_{LO}$ | Lube-oil mass flow | kg/h | LO tank soundings |
Sources
- MAN ES Operating Guide.