| 用钕铁硼制作阻尼振动、受迫振动及共振演示仪 |
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| 引用本文： | 李长亮,马文华,王爱军,唐军杰. 用钕铁硼制作阻尼振动、受迫振动及共振演示仪[J]. 物理实验, 2007, 27(10): 44-46 |
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| 作者姓名： | 李长亮 马文华 王爱军 唐军杰 |
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| 作者单位： | 1. 中国石油大学(北京)石油与天然气工程学院,北京,102249
2. 中国石油大学(北京)数理系,北京,102249 |
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| 摘 要： | 利用稀土永磁性材料钕铁硼(Nd-Fe-B)设计制作出了新型阻尼振动、受迫振动及共振演示仪.该演示仪器可演示阻尼振动的3种状态(欠阻尼状态、临界阻尼状态、过阻尼状态)、受迫振动及共振现象.
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| 关 键 词： | 钕铁硼 阻尼振动 受迫振动 共振 |
| 文章编号： | 1005-4642（2007）10-0044-03 |
| 修稿时间： | 2007-04-10 |
Making the instrument for demonstrating damped and forced vibrations and resonance by Nd-Fe-B magnets |
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| LI Chang-liang,MA Wen-hua,WANG Ai-jun,TANG Jun-jie. Making the instrument for demonstrating damped and forced vibrations and resonance by Nd-Fe-B magnets[J]. Physics Experimentation, 2007, 27(10): 44-46 |
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| Authors: | LI Chang-liang MA Wen-hua WANG Ai-jun TANG Jun-jie |
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| Affiliation: | 1. Faculty of Petroleum Engineering, China University of Petroleum-Beijing, Beijing 102249, China; 2. Department of Mathematics and Physics, China University of Petroleum-Beijing, Beijing 102249, China |
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| Abstract: | The instrument for demonstrating damped vibration,forced vibration and resonance is made by Nd-Fe-B magnets.The instrument can demonstrate three damped vibration states(under-damping state,critical damping state and over-damping state),forced vibration and resonance phenomenon. |
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| Keywords: | Nd-Fe-B damping vibration forced vibration resonance |
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