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http://hdl.handle.net/10553/129432
Título: | Fishing Vessel Bulbous Bow Hydrodynamics—A Numerical Reverse Design Approach | Autores/as: | Díaz Ojeda, Héctor Rubén Oyuela, Sebastián Sosa, Roberto Otero, Alejandro Daniel Pérez Arribas, Francisco |
Clasificación UNESCO: | 3319 Tecnología naval 331907 Buques mercantes |
Palabras clave: | Ship resistance EFD and CFD Fishing vessels Ship design Bulbous Bow |
Fecha de publicación: | 2024 | Proyectos: | Reducción Del Consumo de Combustible en Embarcaciones Mediante Bulbos de Proa Desarrollables | Publicación seriada: | Journal of Marine Science and Engineering | Resumen: | Naval hydrodynamics typically focus on reducing ship resistance, which can be achieved by incorporating a bulbous bow. This feature is commonly used in the merchant fleet and smaller vessels, such as fishing boats, to minimize wave-making resistance. However, it is important to note that the use of a bulbous bow may not always be necessary or effective in all ship designs. In some cases, fishing ship designs may include a bulbous bow that is not optimized due to the use of procedures and methods intended for larger merchant ships or based on past experience. This study examines the effect of different bow designs, including the bulbous bow, on ship resistance in calm water, with a focus on a typical Argentinian trawler fishing vessel. The objective of this research is to assess the hydrodynamics of various designs for a particular ship by modifying its vessel lines. Firstly, the bulbous bow is removed, and then the reduction in ship resistance achieved by the bulbous bow under different load conditions and speeds is evaluated by comparing the vessel with and without the bulbous bow. The numerical analysis is performed using OpenFOAM, and the results are validated through towing tank experiments. This research indicates that the performance of the bulbous bow varies under different conditions. Therefore, it is recommended to conduct an initial study and a full evaluation of the design and operation alternatives. | URI: | http://hdl.handle.net/10553/129432 | ISSN: | 2077-1312 | DOI: | 10.3390/jmse12030436 | Fuente: | Journal of Marine Science and Engineering [EISSN 2077-1312], v. 12 (3), p. 1-18 |
Colección: | Artículos |
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