魚類の加速泳動に関する基礎的調査

概要

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Fish has high maneuverability in water and shape and swimming method of the fish are various adjusting their environment. It is believed that studies on swimming of the fish can suggest a new effective propulsion method for underwater vehicles and robots. And it is expected that various types of fish type robots contribute to ocean observations and ocean developments using the new propulsion method. Many researches on hydrodynamic performance of the fish swimming in a steady state and positioning by a fin have been carried out so far, but transient fish motions such as speed-up motion, slow down motion and sharp turn are not examined sufficiently. In order to investigate these transient fish motions, swimming motion of the fish 'Carassius auratus' is observed using a digital video camera in this report. A mathematical model of the speed-up motion is formulated based on the observation. Accuracy of the mathematical model is examined and thrust in the speed-up motion is estimated using the mathematical model.
社団法人日本船舶海洋工学会の論文
2004-08-31