空気流入型粒状体ダンパの制振特性

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タイトル別名
  • Damping Properties of Air Inflow Type Particles Damper

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<p>In this study, influence that the damping force properties of the damper using particle assemblage and the resonance curves of the vibration system with the damper received from flow rate of the inflow air were investigated experimentally. The damper was filled by the zirconia balls of 1.6 mm from 1.4 mm in diameter. The filling rate was 0.550. The damper was installed in the horizontal direction. And the air was poured into the damper from bottom side holes, and the air was poured into outside from upper side holes of the damper. The damping force of the damper decreased as the flow rate of the air is increased. However, the differences of the damping forces were small. And then the resonance curves of the vibration system with the damper were changed by the inflow air. When the flow rate of the inflow air is high, the amplitude of the vibration system became small.</p>

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