Simple Analytical Expressions for the Height, Location, and Steepness of a Ship Bow Wave
Dimensional analysis and other fundamental theoretical considerations (thin-ship limit, shallow-draft and deep-draft limits) are used, with bow-wave measurements for six wedge-shaped hull forms, to obtain simple analytical expressions that explicitly define the height, location, and steepness of the bow wave generated by a ship in terms of the ship speed, draft, and waterline entrance angle. These simple analytical expressions are in excellent agreement with the available experimental measurements for six wedge-shaped hull forms. Good agreement is also obtained for other ship-bow forms, especially if a simple procedure—illustrated for the Wigley hull and the Series 60 model—is used to define an effective ship draft and an effective waterline entrance angle.
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Document Type: Miscellaneous
Publication date: 01 December 2006
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- The Journal of Ship Research is a quarterly publication providing highly technical papers on applied research in hydrodynamics, propulsion, ship motions, structures, and vibrations. While the Journal requires that papers present the results of research that advances ship and ocean science and engineering, most contributions bear directly on other disciplines, such as civil and mechanical engineering, applied mathematics, and numerical analysis. High quality papers are contributed from the U.S., Canada and overseas, with representation from established authorities as well as new researchers.
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