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THE WAVE-MAKING RESISTANCE OF HIGH SPEED BOATS - THE FIRST REPORT: DISPLACEMENT TYPE SHIPS

Masatoshi Bessho, Toshifumi Kudo, Takanori Nishimoto

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Abstract

The authors studied optimum ship forms in a range covering Froude number from 0.4-1.4 with respect to their wave-making resistance of displacement type ships by the so-called thin ship theory. Numerical studies minimising the wave-making resistance are carried out on three ship types. The first is a wall-sided model and its solution is stable and gradually joins the theoretical results. The second type is a Maier form model and its solution is also fairly stable and the wave resistance is somewhat larger than the first one. The third model is a bulbous bow type ship form. See also the following abstract.

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What this paper is about

The authors studied optimum ship forms in a range covering Froude number from 0.4-1.4 with respect to their wave-making resistance of displacement type ships by the so-called thin ship theory. Numerical studies minimising the wave-making resistance are carried out on three ship types. The first is a wall-sided model and its solution is stable and gradually joins the theoretical results. The second type is a Maier form model and its solution is also fairly stable and the wave resistance is somewhat larger than the first one. The third model is a bulbous bow type ship form. See also the following abstract.

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Available abstract

The authors studied optimum ship forms in a range covering Froude number from 0.4-1.4 with respect to their wave-making resistance of displacement type ships by the so-called thin ship theory. Numerical studies minimising the wave-making resistance are carried out on three ship types. The first is a wall-sided model and its solution is stable and gradually joins the theoretical results. The second type is a Maier form model and its solution is also fairly stable and the wave resistance is somewhat larger than the first one. The third model is a bulbous bow type ship form. See also the following abstract.

Key concepts: Froude number, Type (biology), Displacement (psychology), Joins, Resistance (ecology), Marine engineering, Range (aeronautics), Engineering

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