Engine - Thermal Efficiency
Brake thermal efficiency from SFOC and fuel NCV - ~50 % typical for slow-speed 2-stroke, 44 % for medium-speed 4-stroke.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Specific fuel consumption | g/kWh | |
| Net calorific value | MJ/kg |
Source: MAN ES / WinGD Performance
In short
Brake thermal efficiency from SFOC and fuel NCV - ~50 % typical for slow-speed 2-stroke, 44 % for medium-speed 4-stroke.