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Nowadays all efforts in planing hull research are focused on resistance reduction for achieving the highest speed in fast planing crafts. Furthermore, many fruitful research projects have been carried out on marine coatings, planning equipment, and optimization of propeller and hull form, which revolutionized industry of high - speed crafts and made them an efficient survival vehicle in coastal areas and rivers. In this paper the hydrodynamic performance of planing hulls are investigated by means of a modified Savitsky model for both non-stepped and stepped bodies. Meanwhile, in order to meet this goal reasonably, effective geometrical parameters of planing hull are investigated and then operational hydrodynamic characteristics of the craft are predicted by using a computational program. Finally, the calculation results are verified by means of a CFD- analysis model.
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23--31
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Bibliogr. 13 poz., rys., tab.
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- Amirkabir University of Technology Department of Ocean Engineering, Hafez Ave. Tehran IRAN
autor
- Amirkabir University of Technology Department of Ocean Engineering, Hafez Ave. Tehran IRAN
autor
- Amirkabir University of Technology Department of Ocean Engineering, Hafez Ave. Tehran IRAN
Bibliografia
- 1. O. M. Faltinsen: Hydrodynamics of High-Speed Marine Vehicles, Cambridge University Press, 2005.
- 2. D. Savitsky: Hydrodynamic Design of Planning Hull, Marine Technology, vol. 1, no. 1, pp. 71-95, 1964
- 3. C. E. P and B. D. L: Resistance Tests of a Systematic Series of Planning Hull Forms, Society of Naval Architects and Marine Engineers (SNAME), Hampton, 1963
- 4. B. R. Savander and S. H. Rhee: Steady Planning Hydrodynamics: Comparison of Numerical and Experimental Results, Fluent Users’ Group, Manchester, NH, 2003
- 5. H. Ghassemi and M. Ghiasi: A Combined Method for the Hydrodynamic Characteristics of Planning Crafts, Ocean Engineering, vol. 35, no. 3-4, pp. 310-322, 2007
- 6. S. Brizzolara and F. Serra: Accuracy of CFD Codes in the Prediction of Planing Surfaces Hydrodynamic Characteristics, in : 2nd International Conference on Marine Research and Transportation, Naples, 2007
- 7. A. R. Kohansal and H. Ghassemi: A Numerical Modelling of Hydrodynamic Characteristics of Various Planning Hull Forms, Ocean Engineering, vol. 37, no. 5-6, pp. 498-510, 2010
- 8. D. Savitsky and M. Morabito: Surface Wave Contours Associated with the Forebody Wake of Stepped Planning Hulls, Marine Technology, vol. 47, no. 1, pp. 1-16, 2010
- 9. D. Svahn: Performance Prediction of Hulls with Transverse, Marina System Center for Naval Architecture, Stockholm, 2009
- 10. W. R. Garland and K. J. Maki: A Numerical Study of a Two-Dimensional Stepped Planing Surface, Journal of Ship Production and Design, vol. 28, no. 2, pp. 60-72, 2012
- 11. M. Ghassabzadeh and H. Ghassemi: Determining of the Hydrodynamic Forces on the Multi-hull Tunnel Vessel in Steady Motion, The Brazilian Society of Mechanical Sciences and Engineering, in press, 2013
- 12. D. Radojcic, A. Zgradic, M. Kalajdzic and A. Simic: Resistance Prediction for Hard Chine Hulls in the Pre-Planing Regime, Polish Maritime Research, vol. 21, no. 2(82), pp. 9-26, 2014
- 13. H. Holm: Hydrodynamic Design of Planing Hulls- Online Program, Marine Hydrodynamics’ Site NTNU University, Trondheim, 2002
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Bibliografia
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