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- Domon Kazuyuki
- Department of Energy Engineering, Faculty of Engineering, Yokohama National University, 79–5 Tokiwadai, Hodogaya, Yokohama 240–8501
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- Ishihara Osamu
- Department of Physics, Faculty of Engineering, Yokohama National University, 79–5 Tokiwadai, Hodogaya, Yokohama 240–8501
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- Watanabe Shinsuke
- Department of Physics, Faculty of Engineering, Yokohama National University, 79–5 Tokiwadai, Hodogaya, Yokohama 240–8501
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Mass transport by a vortex ring in water has been studied experimentally. A vortex ring with the Reynolds number in the vicinity of -- 1× 105 is launched in water by means of an exploding wire. Fine particles injected into a vortex ring at the outlet of vortex driver are carried away with vortex motion. Some particles spin out of the vortex motion and are left behind a vortex ring. But many of them are trapped in a vortex ring and are carried up to the end of water tank which is located at 1.4 m from the vortex driver. Mass analyses of particles show that particles with specific gravity of larger than unity are scattered out of a vortex ring due to a centrifugal force, but those with specific gravity being less than unity are trapped in a vortex core and are carried for a long distance. The result indicates that an efficient mass transport by a vortex ring is realized when the specific gravity of particles is less than that of ambient fluid that supports a vortex ring.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 69 (1), 120-123, 2000
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679158750848
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- NII論文ID
- 210000102199
- 110001970991
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2000JPSJ...69..120D
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- COI
- 1:CAS:528:DC%2BD3cXhs1Srsr8%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 4970663
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可