Stepped planning hulls are commonly used on fast planning boats and water-based aircraft, but numerical means for simulating their hydrodynamics are rather limited. In this study, a panel method involving hydrodynamic sources has been applied for modeling a stepped planning hull and accounting for water surface deformations in the air-ventilated cavity and surrounding water domain. Parametric calculations have been carried out for a selected hull with variable deadrise angles and at two speed regimes. Results are shown for the boat attitude, lift–drag ratio, and drag components. The variations of the wetted surfaces on two bodies of a stepped hull are also presented and related to variations in hydrodynamic characteristics of the hull.


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    Titel :

    Effect of deadrise angles on hydrodynamic performance of a stepped hull


    Beteiligte:


    Erscheinungsdatum :

    01.11.2016


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





    The Effects of Deadrise and Deadrise Variation on Steady Planing Hull Performance

    Savander, B.R. / Maki, K.J. / Land, J. et al. | British Library Conference Proceedings | 2010


    The Effect of Deadrise Angle on the Performance of the Modern Planning Hull

    Lacy, G. E. | British Library Conference Proceedings | 1993



    Stepped hull

    TORRES RALPH / KAIDY ROBERT S | Europäisches Patentamt | 2015

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