Fuel-saving estimate from a pre-swirl stator (asymmetric guide vanes ahead of propeller) - 3–6 % typical on full-form hulls.
Formula
$$ \Delta m = P_{ME} H \frac{\eta_{ESD} \cdot SFOC}{10^8} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $\eta_{ESD}$ | Saving fraction | - | model test |
Sources
- DSME / SHI pre-swirl stator bulletins.