Universal Expression of Tangential Velocity Distribution near Side Wall of a Fully Turbulent Agitated Vessel without Baffles
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概要
- 論文の詳細を見る
For the turbulent boundary layer at the side wall of an agitated vessel without baffles, new dimensionless variables u++ and y++ were derived as uθ+(βD/1.7d) and y+(βD/1.7d), respectively, instead of the dimensionless variables uθ+ and y+ in the universal velocity distribution law. The correlation of the measured tangential velocity at the side wall of an agitated vessel without baffles with u++ and y++ satisfied the logarithmic expression of the universal velocity distribution law in the range 20 < y++ < 70 for the paddle impeller having a larger value of the impeller similarity parameter than 0.1. This meant that the mixing length for an agitated vessel was βD/1.7d times that for a flat plate. Besides the tangential velocity at the turbulent boundary layer edge uD and the boundary layer thickness yD were roughly expressed as 0.85(d/D)UD and 0.030(1.7d/βD)L, respectively.
- 社団法人 化学工学会の論文
- 2007-08-01
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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HIRAOKA Setsuro
Department of Applied Chemistry, Nagoya Institute of Technology
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IWATA Shuichi
Departments of Materials Science and Engineering, Nagoya Institute of Technology
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Iwata Shuichi
Dep. Of Material Engineering Nagoya Inst. Of Technol.
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Iwata Shuichi
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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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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Sato K
Department Of Bioinformatics Engineering Graduate School Of Information Science And Technology Osaka
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YAMAMURA Masaaki
Department of Information Processing Education, Chubu University
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SHIOBARA Katsumi
Tokyo Office, Satake Chemical Equipment Mfg., Ltd.
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Shiobara Katsumi
Satake Chemical Equipment Mfg. Ltd.
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Yamamura Masaaki
Department Of Information Processing Education Chubu University
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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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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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Yamaguchi Takao
Department Of Applied Chemistry Nagoya Institute Of Technology
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Iwata Shuichi
Department of Appfied Chemistry, Nagoya Institute of Technology
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Yamamura Masaaki
Department of Chemistry, Faculty of Engineering Science, Osaka University
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Tada Yutaka
Department of Applied Chemistry, Nagoya Institute of Technology
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