Dimensionless speed ratio that drives wave-making resistance behaviour.
Formula
$$ Fn = \frac{V}{\sqrt{g \cdot L}} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $V$ | Ship speed | m/s | derived from knots |
| $g$ | Gravitational acceleration | m/s² | 9.81 |
| $L$ | Waterline length | m | hydrostatics |
| $Fn$ | Froude number | - | result |
Sources
- SNAME PNA Vol II.