Towards an understanding of the marine fouling effects on VIV of circular cylinders: Response of cylinders with regular pyramidal roughness
详细信息 查看全文
- 作者：M. Zeinoddinia ; zeinoddini@kntu.ac.ir" class="auth_mail" title="E-mail the corresponding author ; A. Bakhtiaria ; M. Ehteshamia ; M.S. Seifb
- 关键词：Vortex-induced vibration ; Reduced velocity ; Marine fouling ; Response amplitude ; Hydrodynamic forces
- 刊名：Applied Ocean Research
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：59
- 期：Complete
- 页码：378-394
- 全文大小：5419 K
文摘
- •
In-water small scale towing-tank experiments in a uniform flow were conducted.
- •
Effects of biofouling on the dynamics of the VIV in inclined cylinders were studied.
- •
The fouling played important roles in the overall wake dynamics and the cylinder response.
- •
The biofouling almost decreases the non-dimensional amplitude and flow forces.
- •
Flow visualisation showed that the separation was delayed. Moreover, the biofouling shortened the vortices size and recirculation length.