Experiments have been carried out on models of rigid circular cylinders fitted with three different types of permeable meshes to investigate their effectiveness in the suppression of vortex-induced vibrations (VIV). Measurements of the dynamic response are presented for models with low mass and damping which are free to respond in the cross-flow direction. Results for two meshes made of ropes and cylindrical tubes are compared with the VIV response of a bare cylinder and that of a known suppressor called the “ventilated trousers” (VT). All three meshes achieved an average 50% reduction of the response when compared with that of the bare cylinder. The sparse mesh configuration presented a similar behaviour to the VT, while the dense mesh produced considerable VIV response for an indefinitely long range of reduced velocity. Reynolds number ranged from 1,000 to 10,000 and reduced velocity was varied between 2 and 13.
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ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
June 8–13, 2014
San Francisco, California, USA
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4540-0
PROCEEDINGS PAPER
Response of a Circular Cylinder Fitted With Permeable Meshes Acting as VIV Suppressors
Murilo M. Cicolin,
Murilo M. Cicolin
University of São Paulo, São Paulo, Brazil
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Gustavo R. S. Assi
Gustavo R. S. Assi
University of São Paulo, São Paulo, Brazil
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Murilo M. Cicolin
University of São Paulo, São Paulo, Brazil
Gustavo R. S. Assi
University of São Paulo, São Paulo, Brazil
Paper No:
OMAE2014-24709, V002T08A091; 6 pages
Published Online:
October 1, 2014
Citation
Cicolin, MM, & Assi, GRS. "Response of a Circular Cylinder Fitted With Permeable Meshes Acting as VIV Suppressors." Proceedings of the ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. Volume 2: CFD and VIV. San Francisco, California, USA. June 8–13, 2014. V002T08A091. ASME. https://doi.org/10.1115/OMAE2014-24709
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