To provide a stern fin attached to the stern of a relatively-high speed ship, which can surely improve the efficiency of assisting the propulsion of the ship, and a ship equipped with the same.SOLUTION: A stern fin is attached to a side surface of a stern portion of a ship which is provided with a propeller and has a Froude number of a planned service speed equal to or more than 0.17. The stern fin is positioned on a forward side than the propeller in the direction of travel of the ship and in the vicinity of the height of the rotational axis of the propeller. A centerline, which is obtained by successively joining midpoints of an upper surface and a lower surface of the stern fin in a cross-sectional shape of the stern fin perpendicular to the direction in which the stern fin protrudes out from the side surface of the stern portion, is downwardly convex. The maximum protruding length of the stern fin from the side surface of the stern portion in the protruding direction thereof is 2 to 15% of the diameter of the propeller.SELECTED DRAWING: Figure 1

    【課題】比較的速度の速い船舶の船尾部に取り付けられた船尾フィンであって、船舶の推進をアシストする効率を確実に向上させることができる船尾フィンおよびそれを備えた船舶を提供する。【解決手段】船尾フィンは、プロペラが設けられ、計画航海速力のフルード数が0.17以上である船舶の船尾部の側面に取り付けられた船尾フィンであって、船尾フィンは、プロペラより船舶の進行方向前方側で且つプロペラの回転軸の高さ近傍に位置し、船尾フィンの船尾部の側面からの張り出し方向に対して垂直な船尾フィンの断面形状における、船尾フィンの上面と下面との中点を順々に結んで得られる中心線は、下に凸であり、張り出し方向における船尾部の側面からの船尾フィンの最大張り出し長さは、プロペラの直径の2%以上で且つ15%以下である。【選択図】図1


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    Title :

    STERN FIN, AND SHIP EQUIPPED WITH THE SAME


    Additional title:

    船尾フィンおよびそれを備えた船舶


    Contributors:

    Publication date :

    2019-06-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING




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