1135 一様気流中における個葉の振動現象 : 光屈性の効果(J04-1 生物の運動機能/バイオミメティクスとバイオメカニクス/バイオロボティクスとバイオメカトロニクス(1),J04 生物の運動機能/バイオミメティクスとバイオメカニクス/バイオロボティクスとバイオメカトロニクス)

概要

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The oscillatory responses of a single leaf of sweet potato are examined under lighting by a fluorescent light in a uniform airflow. The leaf displacement is measured using a laser displacement detector, and the corresponding power spectrum density of the data is calculated. The equilibrium shape of the leaf is changed as a function of time. The primary resonant frequency of the leaf has shifted to higher value, and its magnitude of the power spectrum has also increased during the course of experiments. These dynamic responses are due to the deformation of the leaf shape by the phototropism. These responses also suggest the influence of the airflow, because the evaporation from the leaf is activated.
一般社団法人日本機械学会の論文
2007-09-07