Axial development of interfacial structure of vertical downward bubbly flow

Takashi Hibiki, Hiroshi Goda, Seungjin Kim, Mamoru Ishii, Jennifer Uhle

    Research output: Contribution to journalArticlepeer-review

    21 Scopus citations


    Accurate prediction of the interfacial area concentration is essential to successful development of the interfacial transfer terms in the two-fluid model. Mechanistic modeling of the interfacial area concentration entirely relies on accurate local flow measurements over extensive flow conditions and channel geometries. From this point of view, accurate measurements of flow parameters such as void fraction, interfacial area concentration, and interfacial velocity were performed by a multi-sensor probe at three axial locations as well as seven radial locations in vertical downward bubbly flows using a 25.4 mm-diameter pipe. In the experiment, the superficial liquid velocity and the void fraction ranged from -1.25 to -3.11 m/s and from 1.61% to 21.0%, respectively.

    Original languageEnglish (US)
    Pages (from-to)749-764
    Number of pages16
    JournalInternational Journal of Heat and Mass Transfer
    Issue number3-4
    StatePublished - Jan 2005

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Mechanical Engineering
    • Fluid Flow and Transfer Processes


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