The influence of distance between the floats of catamaran hull
Keywords:
ship hydrodynamic resistance, calm water resistance, hull optimization.
Abstract
This study presents the influence of the distance between the floats of catamaran for ship calm water resistance. As we know, a catamaran is composed by 2 floats, each float having its own wave systems in calm water. The distance between these floats influences the phenomena that appear due to the composition of the wave systems. The low value of the calm water resistance force is provided by the optimum distance of the floats. In this study, there will be used 3 different distances of the floats for the main speed of the ship. To estimate the ship resistance there will be used RANS equations which provide a good fluid flow in turbulent models.
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References
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[2]. Cofala,J., Amann, M., Heyes, C., Wagner, F., Klimont, Z., Posch , M., Schopp, W., Tarasson, L., Jonson, J.E., Whall, C., Stavrakaki, A., “Analysis of Policy Measures to Reduce Ship Emissions in the Context of the Revision of the National Emissions Ceilings Directive – Final Report”, European Com- mission, DG Environment, Unit ENV/C1 Contract No 070501/2005/ 419589 /MAR /C1
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[2]. Cofala,J., Amann, M., Heyes, C., Wagner, F., Klimont, Z., Posch , M., Schopp, W., Tarasson, L., Jonson, J.E., Whall, C., Stavrakaki, A., “Analysis of Policy Measures to Reduce Ship Emissions in the Context of the Revision of the National Emissions Ceilings Directive – Final Report”, European Com- mission, DG Environment, Unit ENV/C1 Contract No 070501/2005/ 419589 /MAR /C1
[3]. Verseteeg, H.K., Malalasekera, W. “An Introduction to Computational Fluid Dynamics The Finite Method”, Second Edition, Pearson Education Limited 1995/2007 - United Kingdom
[4]. Ferziger, J.H., Peric, M., “Computational Methods for Fluid Dynamics”, 3rd Edition Springer-Verlag Berlin Heidelberg New York 2002
[5]. Chung, T.J., “Computational Fluid Dynamics”, First Edition Cambridge University Press 2002 – United Kingdom,
[6]. ISIS-CFD Centrale Nantes / CNRS, “Numeca Fine Marine Theoretical Manual” 2017
Published
2019-10-30
How to Cite
1.
Pohilca A, Baciu MC, Galateanu L, Mocanu CI. The influence of distance between the floats of catamaran hull. Annals of ”Dunarea de Jos” University of Galati. Fascicle XI Shipbuilding [Internet]. 30Oct.2019 [cited 26Dec.2024];42:19-4. Available from: https://gup.ugal.ro/ugaljournals/index.php/fanship/article/view/2172
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