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Hydrodynamic Forces Acting on a Cylinder Towed in Muddy Environments
| 题名： | Hydrodynamic Forces Acting on a Cylinder Towed in Muddy Environments |
| 正文语种： | eng |
| 作者： | Marco S. Sotelo;Djahida Boucetta;Wim Van Hoydonck;Praveen Doddugollu;Marc Vantorre;Erik Toorman;Guillaume Delefortrie |
| 作者单位： | Maritime Technology Division Dept. of Civil Engineering Ghent Univ. Technologiepark Zwijnaarde 60 9052 Ghent Belgium;Maritime Technology Division Dept. of Civil Engineering Ghent Univ. Technologiepark Zwijnaarde 60 9052 Ghent Belgium;Dept. of Mobility and Public Works Flanders Hydraulics Berchemlei 115 B-2140 Antwerp Belgium;Hydraulics and Geotechnics Dept. of Civil Engineering KU Leuven Kasteelpark Arenberg 40 B-3001 Heverlee Belgium;Maritime Technology Division Dept. of Civil Engineering Ghent Univ. Technologiepark Zwijnaarde 60 9052 Ghent Belgium;Hydraulics and Geotechnics Dept. of Civil Engineering KU Leuven Kasteelpark Arenberg 40 B-3001 Heverlee Belgium;Maritime Technology Division Dept. of Civil Engineering Ghent Univ. Technologiepark Zwijnaarde 60 9052 Ghent Belgium |
| 摘要： | The presence of natural mud in the seabed of waterways and ports has an impact on maritime traffic in many parts of the world. Previous research has shown that sailing safely through fluid mud is possible. However, the majority of these studies were experimental and model scale research, omitting many important characteristics of the natural mud to simplify the problem. The research was therefore directed toward computational fluid dynamics (CFD) models to describe the complex properties of the natural mud for nautical applications. Nonetheless, the lack of validation material makes the usage of CFD still uncertain. This work aims to contribute validation cases for numerical solvers through a series of towing tests in muddy environments with a 0.2-m-diameter cylinder. Different fluid combinations are tested, including freshwater, natural mud only, and natural mud with seawater on top. Experimental results in a single interface of natural mud are compared with CFD simulations using three different viscosity laws. Forces calculated using CFD were found to underpredict experimental measurements, indicating that more attention is needed toward describing the natural mud. |
| 出版年： | 2023 |
| 期刊名称： | Journal of Waterway, Port, Coastal and Ocean Engineering |
| 卷： | 149 |
| 期： | 6 |
| 页码： | 04023016.1-04023016.14 |
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