The invention relates to a double-bow anti-drag ship type suitable for long-term tail single-point mooring work, a stern below a waterline adopts a bow line type, and the following three points are met: (1) the waterline shape is designed to be a convex type or a linear type, and the half inflow angle is between 25 degrees to 50 degrees; (2) the included angle between the sternpost and the base line ranges from 15 degrees to 30 degrees; and (3) the profile of the cross section is V-shaped. A front superstructure is arranged, so that the gravity center of the ship moves forwards, and the floating condition influence caused by the fact that the buoyancy center of a double-bow line type is in front is balanced. Compared with a conventional ship type, the double-bow anti-drag ship type has the advantages that resistance under downstream and backflow is improved, an underwater tail ship bow molded line is arranged, the excellent tail incoming flow resistance performance is achieved, and when the tail is moored in a working sea area for a long time, the borne mooring force is small, so that the requirement for a mooring system is reduced; the double-bow anti-drag ship type has a more sharp and smooth tail line type, and has a smaller waterplane coefficient and a prismatic coefficient, so that the double-bow anti-drag ship type has better sailing resistance.

    本发明涉及一种适用于长期尾部单点系泊工作的双艏减阻船型,水线以下艉部采用“船艏”线型,满足以下三点:(1)设计水线形状采取凸型或直线型,半进流角在25゜到50゜之间;(2)艉柱与基线的夹角在15゜到30゜之间;(3)横剖面型线采用V形;本发明设置了较为靠前的上层建筑,使船舶的重心往前移,以平衡“双艏线型”浮心靠前带来的浮态影响。本发明的双艏减阻船型与常规船型相比,在顺流和倒流下的阻力都得到改善:设置水下尾部“船艏”型线,具有优良的尾部来流阻力性能,在长期尾部系泊在工作海域时,受到的系泊力较小,从而减小对系泊系统要求;具有更为尖痩流畅的尾部线型,具有更小的水线面系数和棱形系数,从而具有更好的航行阻力。


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    Titel :

    Double-bow anti-drag ship type suitable for long-term tail single-point mooring work and design method


    Weitere Titelangaben:

    适用于长期尾部单点系泊工作的双艏减阻船型及设计方法


    Beteiligte:
    WANG JUN (Autor:in) / YU XIN (Autor:in) / LI SHUICAI (Autor:in) / WANG QINGXU (Autor:in) / HU YAMEI (Autor:in)

    Erscheinungsdatum :

    14.09.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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