Propulsive Performance of a Container Ship at Light Condition in Waves

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  • コンテナ船の軽荷状態における波浪中推進性能について
  • コンテナセン ノ ケイ カ ジョウタイ ニ オケル ハロウチュウ スイシン セ

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Abstract

With a model of single screw high speed container ship, resistance and self-propulsion tests in regular head waves at light load condition are carried out. The experimental results of mean increase of resistance are compared with the results obtained from the theoretical calculations. Furthermore, with the same model, speed drop tests in regular and irregular head waves are carried out by using the engine simulated self-propulsion apparatus, and the measured results are compared with the values by the prediction method of nominal speed loss in waves taking account of the main engine characteristics. Propeller load fluctuations at racing condition in waves are also measured and the effects of propeller immersion and moment of inertia of main engine on the propeller load fluctuations are discussed.

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