5孔ピトー管の特性について : 船尾伴流計測およびプロペラ起振力の計算例

概要

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It is very important to measure the wake distribution accurately from the point of view of the propulsive performance including the problems of cavitation and vibratory forces induced by the propellers. At the 11th and 12th International Towing Tank Conference, the characteristics of five-hole pitot tubes and the measuring technique of the wake behind the ship model always come up for discussion. Recently, pitot tubes of the N.P.L. type have been calibrated in the Ship Research Institute. The report deals with the discussion of the characteristics of two 5-hole pitot tubes, and then the comparison between the wake distributions measured behind the model using the pitot comb of the Prandtl's type and the 5-hole pitot tube, are presented. Finally the effect of the two types of wake distributions upon the calculated bearing forces and moments are shown.
社団法人日本船舶海洋工学会の論文