著者
石井 規夫 井手 敏治
出版者
日本造船学会
雑誌
日本造船学会論文集 (ISSN:05148499)
巻号頁・発行日
no.160, pp.54-65, 1986
被引用文献数
2 1

In recent years, a highly advanced lifting surface method with high accuracy has been required in order to design the various types of propellers which demand high efficiency and to reduce ship vibration and noise. In this paper, an improved lifting surface procedure based on the vortex lattice method is presented. For the determination of a trailing vortex wake geometory, a numerical iterative procedure is described. The numerical results on propeller slipstream give a good agreement with the measured values by laser doppler velocimeter. The present method is applied to calculate the open water characteristics of a propeller. And a quasi-steady technique based on the present method is adopted to calculate the fluctuation of propeller forces and cavitation patterns behind the ship's wake field. The advantages of the present method are shown by comparing the numerical results with the experimental data of conventional and highly skewed propeller.

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