Mass Transport by a Vortex Ring : Classical Phenomenology and Applications
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概要
- 論文の詳細を見る
Mass transport by a vortex ring in water has been studied experimentally. A vortex ring with the Reynolds number in the vicinity of ~1×10^5 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.
- 社団法人日本物理学会の論文
- 2000-01-15
著者
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ISHIHARA Osamu
Department of Obstetrics and Gynecology, Saitama Medical School
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WATANABE Shinsuke
Department of Physics,Faculty of Engineering,Yokohama National University
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Ishihara O
Mitsubishi Electric Corp. Itami‐shi Jpn
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Watanabe Shinsuke
Department Of Energy Engineering Faculty Of Engineering Yokohama National University
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Ishihara O
Department Of Physics Faculty Of Engineering Yokohama National University
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DOMON Kazuyuki
Department of Energy Engineering, Faculty of Engineering, Yokohama National University
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Ishihara Osamu
Department Of Ob/gyn Saitama Medical University
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Domon Kazuyuki
Department Of Energy Engineering Faculty Of Engineering Yokohama National University
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Watanabe Shinsuke
Department Of Physics Faculty Of Engineering Yokohama National University
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