Maximum squat in metres using the Barrass simplified formula for open water and canal / shallow conditions.
Formula
$$ S_{max} = \frac{C_B \cdot V^{2.08}}{30} \cdot k_\text{canal} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $C_B$ | Block coefficient | - | hydrostatic table |
| $V$ | Speed through water | kn | log / speed sensor |
| $k_\text{canal}$ | Channel factor (1 open, 2 canal) | - | Barrass |
| $S_{max}$ | Maximum squat | m | result |
Sources
- Barrass - Ship Design and Performance for Masters and Mates.
- PIANC WG71 - Squat report.