Fractal Scale Indication of Oil-Water Two Phase Flow Characteristics

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In order to investigate the applicability of fractal scale conception in characterization of oil-water two phase flow, six algorithms of fractal scale exponent are evaluated by the Weierestrass function time series with noise. The result shows that Detrended Fluctuation Analysis method is strong robustness. Based on the algorithm evaluated, we acquire 80 groups of conductance fluctuating signals from the experiment of oil-water two phase flow in vertical upward pipe, which diameter is 12.5cm. By extracting the fractal scale exponent at different flow conditions, we find that the extracted fractal scales are correlated with the flow pattern evolvement. It can be concluded that the fractal scale exponent from conductance fluctuating signals can reflect the oil-water two phase flow characteristics.

収録刊行物

  • 実験力学 : journal of JSEM  

    実験力学 : journal of JSEM 8, 19-24, 2008-06-25 

    The Japanese Society for Experimental Mechanics

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各種コード

  • NII論文ID(NAID)
    10021155950
  • NII書誌ID(NCID)
    AA11822914
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13464930
  • NDL 記事登録ID
    9567864
  • NDL 雑誌分類
    ZM17(科学技術--科学技術一般--力学・応用力学)
  • NDL 請求記号
    Z74-C355
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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