静水中における高速肥大船型の船首近傍流れの実験的調査

概要

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Bulbous bow is developed to reduce the free surface fluctuations of full high-speed ships. (F_n>0.30) For both an ordinary type of bulbous bow and a new one, the resistance test and wave analysis are carried out to investigate the resistance components. Measurements of velocities and wave profiles near the bow are also made to clarify the effects of a new type of bulbous bow. As a result of examination, it is found that the new type of bulbous bow decreases both the wave pattern resistance given by means of wave analysis and the other wave resistance. Velocities below the free surface are accelerated and the slope in front of the first wave is made gentler by the new type of bow. Wave profiles calculated by Modified Rankine Source Method are good agreement with the experiments qualitatively.
社団法人日本船舶海洋工学会の論文
1984-08-24