Aerodynamic study of a recreational vessel designed for navigation in the Danube Delta
Abstract
The paper presents a study on the aerodynamic influence of wind on the hull of a sailing vessel, analysed both without sails and in full sail configuration, at different wind speeds and angles of incidence, in order to determine its aerodynamic torsor. The methodology included 3D model
ling of the hull using Rhinoceros software, creating the lines plan, and building the physical model through printing and assembly. The resistance to forward motion was estimated using the Delft Series method, through tabular calculations in Excel and specialized software such as MaxSurf Resistance. The aerodynamic study itself was conducted in the naval wind tunnel, after calibrating the six-component balance and verifying the velocity distribution, with tests performed for the vessel both with and without sails, at various wind speeds and angles.
Downloads
References
[2] Miron Emanuel, Studiul aerodinamic pentru o ambarcațiune de agrement destinată navigației în Delta Dunării, Facultatea de Arhitectură Navală, Universitatea ”Dunărea de Jos” din Galați, 2025.
[3] K. v. Dokkum, Ship Knowledge- Ship design, construction and operation, 4th edition, Dokmar Maritime Publishers B.V., 2007.
[4] F.Pacuraru, „ Curs Rezistenta la înaintare a navei,” Facultatea de Arhitectura Navala, 2025.
[5] R. E. E. Lars Larsson, Principles of Yacht Design, Second Edition, London: Adlard Coles Nautical, 2000.
[6] B. Mordvinov, Spravocinic po malotonnajnomu sudostroeniu, Sankt Petersburg: Sudostroenie, 1988.
[7] R.Bosoanca, „Curs TEAN, Echipamente și instrumente de măsură,” Facultatea de Arhitectură Navală, 2025.
[8] I. M. Viola și R. G. Flay, „Sail aerodynamics; Understanding pressure distributions on upwind sails,” Experimental Thermal and Fluid Science, vol. 35, nr. 8, pp. 1497-1504, 2011
[9] F. Fossati, S. Muggiasca și I. M. A. Viola, „Wind tunnel techniques for investigation and optimization of sailing-yachts aerodynamics,” în 2nd High Performance Yacht Design Conference, Auckland, 2006.
[10] R.Bosoanca, „Curs TEAN, Capitolul 3.3-3.4,” Facultatea de Arhitectura Navala, 2025.
[11] F.Pacuraru, „ Curs Arhitectura Navei,” Facultatea de Arhitectura Navala, 2025.

