Power Consumption and Gas-Liquid Mass Transfer Volumetric Coefficient in an Agitated Vessel with Pitched Wire-Gauze Blade Impeller under Aeration
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概要
- 論文の詳細を見る
Power consumption in a baffled agitated vessel with pitched wire-gauze blade impeller is measured over a wide range of Reynolds number in turbulent flow region, where the power consumption decreases with decreasing the wire-gauze blade angle. The power consumption without aeration is well correlated with the baffled condition parameter (BW/D)nb0.8. The rotational speed to occur the gross circulation of gas NR increased with the decrease of a blade angle θ for the upflow condition. In the operating conditions of the gross circulation flow of the gas back into the impeller (N > NR) and the turbulent flow (Red > 200), the power consumption under aeration at the standard baffled condition Npg is correlated with the modified equation by the blade angle θ, which was reduced to the power correlation for the wire-gauze impeller (θ = π/2). In the range of the rotational speed of N > NR the power number under aeration is almost independent of the impeller position and the liquid flow direction through the impeller.The measured gas-liquid mass transfer volumetric coefficient for the pitched wire-gauze blade impeller kLa coincides well with the correlation of kLa for the wire-gauze impeller in lower viscosity liquid, whereas the former is smaller than the latter in higher viscosity liquid because of the lost of the wire-gauze blade effect.
- 社団法人 化学工学会の論文
- 2003-03-01
著者
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Tada Yutaka
Department of Life and Materials Engineering, Nagoya Institute of Technology
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Kato Yoshihito
Department of Life and Materials Engineering, Nagoya Institute of Technology
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MATSUURA AKIHIRO
Department of Pathology, Fujita Health University School of Medicine
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SASAKI Jun
Department of Production Systems Engineering, Toyohashi University of Technology
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HIRAOKA Setsuro
Department of Applied Chemistry, Nagoya Institute of Technology
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Matsui Akira
Equine Science Division Hidaka Training And Research Center Japan Racing Association
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Matsuura A
Amano Pharmaceutical Co. Ltd. Aichi Jpn
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YAMAGUCHI Takao
Department of Applied Chemistry, Nagoya Institute of Technology
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Yamaguchi Takao
Department Of Mechanical Engineering Chubu University
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Kato Yoshihito
Department Of Communications And Systems The University Of Electro-communications(present Address):i
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Matsuura Akihiro
Oral Surgery Sapporo Medical University School Of Medicine
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Matsuura Akihiro
Department Of Applied Chemistry Nagoya Institute Of Technology
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Matsuura Akihiro
Shimizu Research Laboratories Reseach And Development Division Shimizu Pharmaceutical Co. Ltd.
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Miyazaki Akihiro
Department Of Oral Surgery Sapporo Medical University School Of Medicine
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Takeda Yasuhiro
Department Of Life And Materials Engineering Nagoya Institute Of Technology
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Tada Yutaka
Department Of Life And Materials Engineering Nagoya Institute Of Technology
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Kato Yoshihiro
Department Of Life And Materials Engineering Nagoya Institute Of Technology
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UKAI YOSHIO
Department of Applied Chemistry, Nagoya Institute of Technology
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Ukai Yoshio
Department Of Applied Chemistry Nagoya Institute Of Technology
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Miyazaki Akihiro
Oral Surgery Sapporo Medical University School Of Medicine
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Matsuura Akihiro
Department Of Animal Science School Of Veterinary Medicine Kitasato University
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Sasaki Jun
Department Of Internal Medicine Fukuoka University School Of Medicine
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Hiraoka S
Department Of Life And Material Engineering Nagoya Institute Of Technology
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Tada Yutaka
Department Of Life And Material Engineering Nagoya Institute Of Technology
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Sasaki Jun
Department Of Cardiovascular Surgery Sapporo Chuo Hospital
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Sasaki Jun
Department Of Applied Biological Science Tokyo University Of Agriculture And Technology
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Sasaki Jun
Department Of Applied Chemistry Nagoya Institute Of Technology
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Yamaguchi Takao
Department Of Applied Chemistry Nagoya Institute Of Technology
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Tada Yutaka
Department of Applied Chemistry, Nagoya Institute of Technology
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