Two Phase Pressure Drop Multipliers and ICE Technique Applied in a Multibubble Slug Ejection Model

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Two-phase flow of coolant is described in subassemblies of liquid metal fast breeder reactors by a one- dimensional two-phase multibubble slug ejection model. Vapor flow of sodium between the slugs is modeled as annular flow with a moving liquid film of variable thickness wetting structural surfaces. The two-phase pressure drop multiplier concept introduced by Lockhart-Martinelli is used in the frame of the slug ejection model with an algorithm that simultaneously computes interfacial friction coefficient and liquid film axial velocity distribution. The implicit continuous Eulerian (ICE) technique developed by Harlow and Amsden for computing pressure distribution in a continuum medium is applied in heterogeneous two-phase flow to the governing equations for the vapor phase. This solution method is more stable than the numerical solution by finite differences of the vapor momentum equation.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 33(12), p.964-972, 1996-12-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002076052
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4109561
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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