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Keywords = shallow-draft watercraft

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17 pages, 4245 KiB  
Article
Effect of Speed and Hull Length on the Hydrodynamic Performance of a Semi-Planing Hull of a Shallow-Draft Watercraft
by Luis Daniel Leal-Ruiz, Clara Paola Camargo-Díaz, Edwin Paipa-Sanabria, Claudia Castro-Faccetti and John E. Candelo-Becerra
J. Mar. Sci. Eng. 2023, 11(12), 2328; https://doi.org/10.3390/jmse11122328 - 8 Dec 2023
Viewed by 2589
Abstract
Hydrodynamic performance is an essential factor in the design of a watercraft, and the navigation scenario determines the complexity of its operation. This study aims to identify the effect of speed and length on the hydrodynamic behavior of a semi-planing watercraft in shallow [...] Read more.
Hydrodynamic performance is an essential factor in the design of a watercraft, and the navigation scenario determines the complexity of its operation. This study aims to identify the effect of speed and length on the hydrodynamic behavior of a semi-planing watercraft in shallow waters. A computational fluid dynamics tool was employed to predict the trim, heave, and resistance parameters of two different hulls: a base hull and a craft with an increased hull length. The two hulls had similar hydrodynamic characteristics. The effects of speed and hull length on these predicted parameters obtained for the two hulls were compared. The results showed a low resistance uncertainty and a reduction in dynamic trim for longer hull lengths. These findings highlight the importance of considering balance and dynamic trim in designing shallow-draft watercrafts to ensure an optimal performance in specific conditions, such as rivers with depth restrictions. Full article
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