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Volume 20, Issue 44 (10-2024)                   Marine Engineering 2024, 20(44): 56-62 | Back to browse issues page

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Yazdi K, Karimi R, Zarenezhad Ashkezari A, Gil V. Numerical simulation of a military ship model to analysis the impact of Sonar-dome on the hull resistance. Marine Engineering 2024; 20 (44) :56-62
URL: http://marine-eng.ir/article-1-1056-en.html
Numerical simulation of a military ship model to analysis the impact of Sonar-dome on the hull resistance
Kaveh Yazdi1 , Rasool Karimi2 , Abbas Zarenezhad Ashkezari *1 , Valiollah Gil3
1- Imam Khomeini Marine Sciences University
2- Assistant Professor, Imam Khomeini Marine Sciences University
3- Amirkabir University of Technology
Abstract:   (323 Views)
Calculation of the hull resistance is one of the most important parts in the design process. One of the conventional methods for calculating the resistance of the vessel is the experimental tests of the towing tank. The use of towing tank tests requires the construction of an accurate model of the vessel. In this paper, computational fluid dynamics simulation was performed on a military vessel, using Ansys Fluent software, and compared with the results of the towing tank test, which was carried out in this research. To perform the towing tank test, first the geometry of the vessel was modeled in CATIA software, then it was constructed using a 3D printer. Comparing the experimental and numerical resistance results shows that there is a good agreement between the numerical and experimental results. Therefore, it can be concluded that the developed computational fluid dynamics model has a correct performance. Then the simulated model was developed along with Sonar dome. The results show that the presence of Sonar dome causes the hull resistance to increase linearly at speeds of more than 8.74 knots.
Keywords: Vessel resistance, CFD, Towing Tank, Sonar-dome, Military ship
Full-Text [PDF 1225 kb]   (147 Downloads)    
Type of Study: Research Paper | Subject: Ship Hydrodynamic
Received: 2023/09/3 | Accepted: 2024/12/19
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