Vortex-shedding frequency on a cylindrical riser from Strouhal number - basis for VIV fatigue assessment.
Formula
$$ f_s = St \cdot V / D $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $St$ | Strouhal number | - | 0.18-0.22 typical |
| $D$ | Riser diameter | m | riser spec |
Sources
- Blevins - Flow-Induced Vibration.