The Variable-Voidage Effect on Modeling the Minimum Liquid Fluidization Velocity of Gas-Liquid Fluidized Beds

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By taking account of the experimentally determined variation of voidage with the gas velocity at minimum gas-liquid fluidization of a bed of solid particles, it is shown, using the same experimental database as in the earlier paper by Lee <I>et al</I>. (2001a), that the model which best predicts the minimum liquid fluidization velocity is a variant of the gas-perturbed liquid model of Zhang <I>et al</I>. (1995), but with the buoyancy term based on the gas-liquid mixture rather than the liquid alone. The best value of the constant in the viscous term of the Carman–Ergun drag equation involved is 165, intermediate between Carman’s 180 and Ergun’s 150.

収録刊行物

  • Journal of chemical engineering of Japan

    Journal of chemical engineering of Japan 36(9), 1111-1115, 2003-09-01

    公益社団法人 化学工学会

参考文献:  15件中 1-15件 を表示

各種コード

  • NII論文ID(NAID)
    10013414523
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    00219592
  • NDL 記事登録ID
    6731142
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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