Fluid and Solids Flow Affecting the Solids Circulation Rate in Spouted Beds with a Draft-Tube
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概要
- 論文の詳細を見る
In a spouted bed, the gas flow rates cannot be changed independently in either the spout or the annulus. In this study, an experimental spouted bed equipped with a draft-tube was made in such a way that each of the gas flow rates can be changed independently. The effect of the gas flow rate in the spout or in the annulus on the circulation rate of solids was examined for the three types of spouted bed. The relation between the solids circulation rate and the average gas velocity in the annulus differs among these three types of spouted beds. In the spouted bed with a gas inlet nozzle, the solids circulation rate initially sharply decreased with the average gas velocity in the annulus. It was found that an eddy motion of solid particles caused this sharp decrease in the solids circulation rate. The fluid flow that caused this eddy motion in the solids was confirmed by using a two-dimensional water flow model.
- 社団法人 化学工学会の論文
- 2004-09-01
著者
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ITO Shinya
Department of Chemical Engineering, Faculty of Engineering, Iwate University
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Yamada Kazutaka
Department Of Applied Veterinary Medicine Obihiro University Of Agriculture And Veterinary Medicine
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Yamada Kazutaka
Department Of Fine Materials Engineering Faculty Of Textile Science And Technology Shinshu Universit
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Hattori Hirotsugu
Department Of Fine Material Engineering Faculty Of Textile Science And Technology
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Onezawa Tomomi
Department Of Fine Materials Engineering Faculty Of Textile Science And Technology Shinshu Universit
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Ito Shinya
Department Of Fine Materials Engineering Faculty Of Textile Science And Technology Shinshu Universit
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Hattori Hirotsugu
Department Of Fine Materials Engineering Faculty Of Textile Science And Technology Shinshu Universit
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YANAI Shinichi
Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu Univers
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Yanai Shinichi
Department Of Fine Materials Engineering Faculty Of Textile Science And Technology Shinshu Universit
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HATTORI HIROTSUGU
Department of Chemical Engineering, Shinshu University
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HATTORI HIROTSUGU
Department of Chemical Engineering, Faculty of Textile Science and Technology, Shinshu University
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