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Levitation of an iron ball in midair without active control
https://iwate-u.repo.nii.ac.jp/records/12549
https://iwate-u.repo.nii.ac.jp/records/12549dc0eb52e-55ae-449c-a479-6bdd4a767319
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
jap-v95n4p2090-2093.pdf (237.4 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2008-11-05 | |||||||||||
| タイトル | ||||||||||||
| タイトル | Levitation of an iron ball in midair without active control | |||||||||||
| 資源タイプ | ||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
| 資源タイプ | journal article | |||||||||||
| 著者 |
Sasaki, Shuichi
× Sasaki, Shuichi
× Yagi, Ichimasa
× Murakami, Masato
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| 著者(機関) | ||||||||||||
| 値 | Iwate High School | |||||||||||
| 著者(機関) | ||||||||||||
| 値 | Department of Education, Iwate University | |||||||||||
| 著者(機関) | ||||||||||||
| 値 | Department of Materials Science and Engineering, Shibaura Institute of Technology | |||||||||||
| 登録日 | ||||||||||||
| 日付 | 2008-11-05 | |||||||||||
| 書誌情報 |
Journal of Applied Physics 巻 95, 号 4, p. 2090-2093, 発行日 2004-01-01 |
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| ISSN | ||||||||||||
| 収録物識別子タイプ | ISSN | |||||||||||
| 収録物識別子 | 0021-8979 | |||||||||||
| Abstract | ||||||||||||
| 内容記述タイプ | Other | |||||||||||
| 内容記述 | An iron ball floats in midair in a plastic box when several iron balls were attracted by a permanent magnet. A complex interaction between magnetized sphere materials and a lifting magnet enabled the suspension of an iron ball. The balls in the first row are simply attracted by the lifting magnet. The ball in the second row is also attracted by the lifting magnet, however, due to the repulsive forces exerted from the balls sitting above, it can float in midair. We also found that there are two stable positions for the ball to float. The floating ball could be transported from one equilibrium position to another by simply rotating the lifting magnet. This will make it possible to construct a noncontact load transport device. |
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| 出版者 | ||||||||||||
| 出版者 | American Institute of Physics | |||||||||||
| 権利 | ||||||||||||
| 権利情報 | ©2004 American Institute of Physics | |||||||||||
| DOI | ||||||||||||
| 識別子タイプ | DOI | |||||||||||
| 関連識別子 | 10.1063/1.1640788 | |||||||||||
