Alternative friction-resistance correlation (Schoenherr 1932 / ATTC) used by some model basins instead of ITTC-57. Implicit equation solved via Newton iteration.
Formula
$$ \frac{1}{\sqrt{C_F}} = 4.13 \cdot \log_{10}(\text{Re} \cdot C_F) $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $Re$ | Reynolds number | - | input |
| $C_F$ | Frictional resistance coefficient | - | result |
Sources
- Schoenherr (1932) - Resistance of flat surfaces moving through a fluid.
- ITTC - Recommended procedure 7.5-02-02-01.