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Volume 19, Issue 39 (9-2023)
Marine Engineering 2023, 19(39): 153-168 |
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Rahmansetayesh M A, Khazaee R, Hajizadeh S. Numerical simulation of the effect of chine on the performance of planing hull. Marine Engineering 2023; 19 (39) :153-168
URL: http://marine-eng.ir/article-1-1051-en.html
URL: http://marine-eng.ir/article-1-1051-en.html
1- Persian Gulf University
2- Persian Gulf university
2- Persian Gulf university
Abstract: (947 Views)
Planning vessels have a special significance in the marine industry. The main and most significant aspect of designing these types of vessels is achieving high speed by having low body resistance. One of the key modifications applied to the hulls of planning vessels was the development of the chine. This research aims to analyze the impact of the chine on planning hulls using numerical analysis. After analyzing the results, improved chine can be specified in terms of the hydrodynamic performance of the hulls. The chosen method to analyze the flow around the planning hull forms is numerical simulation. This method calculates the resistance force, lift force, pitch angle, and heave amount of the intended hulls. The numerical simulations of different modifications of the C planning hulls were compared to the hydrodynamic behavior of the C-hull after verifying the results of the numerical simulations and validation of results with the laboratory results of the former reference. Based on the results obtained from the numerical simulations, the hull with 5.43% chine width to beam ratio recorded the lowest resistance. The highest trim was observed in the hull with 5.43% chine width to beam ratio, and the hull with 5.87% chine width to beam ratio registered the highest heave. Moreover, the hull with 4.57% chine width to beam ratio exhibited the highest resistance in the simulations.
Type of Study: Research Paper |
Subject:
Ship Hydrodynamic
Received: 2023/07/19 | Accepted: 2023/09/25
Received: 2023/07/19 | Accepted: 2023/09/25
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International Journal of Maritime Technology is licensed under a
Creative Commons Attribution-NonCommercial 4.0 International License.