We present a study on the hydrodynamics of a circular cylinder close to a wall, which is an idealized representative of subsea pipelines and cables used in both offshore oil and gas and marine renewable energy industries. This research utilizes Computational Fluid Dynamics (CFD) modeling method to investigate the influences of the boundary layer turbulence and the cylinder-to-floor distance on hydrodynamic forces. A significant jump in hydrodynamic forces is observed over the range of Reynolds number that coincides with boundary layer transition from laminar to turbulence. This transition gives rise to a drop in the size of the thickness of the boundary layer at the location of the cylinder. The force jump is also characterised by a pressure increase on the upwind surface of the cylinder, while the pressure decreases on the leeward surface.
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ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
June 17–22, 2018
Madrid, Spain
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5124-1
PROCEEDINGS PAPER
Hydrodynamics on Circular Cylinder Close to a Wall: Effects From Wall Boundary Layers Available to Purchase
Feifei Tong,
Feifei Tong
University of Western Australia, Crawley, Australia
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Liang Cheng,
Liang Cheng
University of Western Australia, Crawley, Australia
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Hongwei An,
Hongwei An
University of Western Australia, Crawley, Australia
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Terry Griffiths
Terry Griffiths
University of Western Australia, Crawley, Australia
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Feifei Tong
University of Western Australia, Crawley, Australia
Liang Cheng
University of Western Australia, Crawley, Australia
Hongwei An
University of Western Australia, Crawley, Australia
Terry Griffiths
University of Western Australia, Crawley, Australia
Paper No:
OMAE2018-77518, V005T04A031; 6 pages
Published Online:
September 25, 2018
Citation
Tong, F, Cheng, L, An, H, & Griffiths, T. "Hydrodynamics on Circular Cylinder Close to a Wall: Effects From Wall Boundary Layers." Proceedings of the ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. Volume 5: Pipelines, Risers, and Subsea Systems. Madrid, Spain. June 17–22, 2018. V005T04A031. ASME. https://doi.org/10.1115/OMAE2018-77518
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