超音波による船底生物付着防止に関する実験(日本航海学会第33回講演会)

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This paper discusses the effect of ultrasonic wave energy for the protection of attaching lives to the steel plate. The continuous ultrasonic waves of 28kc were radiated against the Artemia salina just hatched in the vessel where the transducer was set. The pulse wave of 28kc and 50kc and the continuous waves of 50kc were continuously transmitted from the transducers attached to the steel plates covered with various kinds of paints which were suspended below the sea surface. The effect of ultrasonic waves against the barnacle and such lives were observed during winter and summer. The results show the effect of ultrasound which is evident, but it seems that the effect is not so perfect when the growth of the lives is active. The study is now going on to the selection of intensity, frequency and method of setting the transducer to the hull.
社団法人日本航海学会の論文
1965-12-25