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Bubble and liquid flow characteristics in a cylindrical bath during swirl motion of bubbling jet

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Abstract

Gas injection into a cylindrical bath through a centric bottom nozzle causes a swirl motion like rotary sloshing. Conditions indicating the initiation and cessation of the swirl motion have been made clear by many researchers. So far, the effect of the swirl motion on transport phenomena in the bath is not clear yet. The present study was made to clarify the bubble characteristics (void fraction, bubble frequency) and liquid flow characteristics (mean velocity, turbulence intensity, Reynolds shear stress) during swirl motion of bubbling jet. These two characteristics were investigated using an electro-resistivity probe and a two-dimensional LDV, respectively.

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Authors and Affiliations

  1. Dept. Materials Science and Processing, Fac. Eng. Osaka University, 2-1Yamadaoka, Suita, 565, Osaka, Japan

    Manabu Iguchi & Zen-ichiro Morita

  2. Graduate School, Osaka University, 2-1 Yamadaoka, Suita, 565, Osaka, Japan

    Tsuneo Kondoh

  3. Dept. Industrial Engineering, Fac. Eng., Kansai University, 3-3-35 Yamate, Suita, 564, Osaka, Japan

    Tomomasa Uemura

  4. Dept. Mechanical Engineering, Fac. Eng. Fukui University, 3-9-1 Bunkyo, 910, Fukui, Japan

    Fujio Yamamoto

Authors
  1. Manabu Iguchi
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  2. Tsuneo Kondoh
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  3. Tomomasa Uemura
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  4. Fujio Yamamoto
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  5. Zen-ichiro Morita
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Iguchi, M., Kondoh, T., Uemura, T. et al. Bubble and liquid flow characteristics in a cylindrical bath during swirl motion of bubbling jet. Experiments in Fluids 16, 255–262 (1994). https://doi.org/10.1007/BF00206545

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  • DOI: https://doi.org/10.1007/BF00206545

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