Damping Characteristics of Structures Packed with Balls (1st Report)- Damping Capacity Improvement by Glass Ball Packing -

Hashimoto M.; Wakasawa Y.

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Damping Characteristics of Structures Packed with Balls (1st Report)- Damping Capacity Improvement by Glass Ball Packing -

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This paper deals with an experimental investigation on damping characteristics of structures packed with balls. Test structures are square pipes packed with glass balls. The effects of impulse magnitude, square pipe dimensions and ball size on damping characteristics are investigated. The experiments show that the damping characteristics are markedly affected by the ball size and the damping capacity is improved by ball packing. It is also shown that the damping capacity is affected by packing arrangements, packing ratio and repulsion coefficient. The effective damping capacity improvement is achieved by remaining small space between packed balls and an inner surface of square pipe. This fact is confirmed by the experiment.

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《精密工学会誌》 |2000年第9期|1446-1450|共5页
作者
Hashimoto M.; Wakasawa Y.;
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正文语种日语
中图分类机械制造工艺;仪器、仪表;
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damping capacity; vibration; damping energy; glass ball; machine structure;

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Damping Characteristics of Structures Packed with Balls (1st Report)- Damping Capacity Improvement by Glass Ball Packing -

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