狭水路において斜行する矩形板に働く力の計算

概要

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Growing more and more the size of the Oil-tanker, restricted water effect on manoeuvrability, which has not been so serious problems in the days before, is becoming more important problems. In the previous paper, S. INOUE and K. MURAYAMA proposed how to calculate the force acting on a turning ship in shallow water by the analogy of Bollay's wing theory. In this paper, by their method, the authors calculated the derivatives of the force acting on a rectangular plate moving oblquely in finite water depth and in finite water channel width using infinite images. According to this result, it showed in Fig. 31〜Fig. 34, it can be said that the ratio of derivatives in infinite water channel width and in finite water channel width coincided with the experimental result in model ship. Accordingly, we think that this method is a foundation of the study on manoeuvrability of a ship in water channels.
社団法人日本船舶海洋工学会の論文