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Keywords = Fridsma hull form

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17 pages, 7697 KiB  
Article
A Numerical Study of Spray Strips Analysis on Fridsma Hull Form
by Samuel, Andi Trimulyono, Parlindungan Manik and Deddy Chrismianto
Fluids 2021, 6(11), 420; https://doi.org/10.3390/fluids6110420 - 22 Nov 2021
Cited by 19 | Viewed by 3554
Abstract
Spray strips are deflectors added to the hull to reduce the Wetted Surface Area (WSA). The reduced WSA will decrease the total ship drag caused by the deflection of the spray strip installation. The research aimed to predict the function of the spray [...] Read more.
Spray strips are deflectors added to the hull to reduce the Wetted Surface Area (WSA). The reduced WSA will decrease the total ship drag caused by the deflection of the spray strip installation. The research aimed to predict the function of the spray strip to improve ship performance using Computational Fluid Dynamics (CFD). The numerical approach in this study used the Finite Volume Method (FVM) with the RANS (Reynolds-averaged Navier–Stokes) equation to solve fluid dynamics problems. VOF (Volume of Fluid) was used to model the water and air phases. The results of this study indicated that the number of spray strips would have a significant effect compared to without using a spray strip. Spray strips with three strips could reduce the total resistance by 4.9% at Fr 1.78. Spray strips would increase the total resistance value by 2.1% at low speeds. Spray strips were effective for reducing total resistance at Fr > 1 or the planing mode conditions. The total resistance prediction used three suggestion profiles with the best performance to reduce total resistance by 6.0% at Fr 1.78. Full article
(This article belongs to the Special Issue Numerical Simulations of Spray Processes)
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