管径が急拡大する鉛直管内における気液二相流の数値モデル Numerical Model for Gas-Liquid Two-Phase Mixture Flow in a Vertical Pipe with a Sudden Enlargement in Diameter

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This paper is concerned with a numerical model for the steady-state flow characteristics of the gas-liquid two-phase mixture flowing upward in a vertical pipeline with an abrupt enlargement in cross sectional area. The system of governing equations used is based upon the multifluid model and the transitions of gas flow pattern are taken into consideration in the system of governing equations. For the case of an abrupt enlargement in diameter in a coaxial pipeline, the procedure of the numerical calculation to obtain the flow characteristics in the pipeline section after a sudden change in diameter has been proposed in the present investigation. At the same time, the experiments have also been performed using two kinds of lifting pipes in order to confirm the validity of the present numerical model. As a result of the comparison of the calculated results with the experimental data, we have confirmed the applicability of the system of governing equations as well as the validity of the procedure of the numerical calculation proposed here to the prediction of the flow characteristics of the gas-liquid two-phase mixture in a vertical pipe with a sudden change in diameter.

収録刊行物

  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan  

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 114(7), 475-482, 1998-07-25 

    The Mining and Materials Processing Institute of Japan

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各種コード

  • NII論文ID(NAID)
    10002467713
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    4535736
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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