Theoretical analysis on flame dimension in turbulent ceiling fires

W. G. Weng, Yuji Hasemi

    Research output: Contribution to journalArticle

    3 Citations (Scopus)


    In this paper, theoretical analysis based on boundary layer theory on flame dimension in turbulent ceiling fires is carried out. The turbulent ceiling fire is developed from a downward round injection source beneath an unconfined inert ceiling. A correlation between the dimensionless flame diameter and the dimensionless heat release rate is obtained, C1(S/d) ∼ C2Q*3/4. This relation for turbulent ceiling fires is correlated to experimentally measured flame diameters for ceiling fires. Based on the limited data available, the agreement with experiments is very good. Additional experiments are needed to further verify the validity of this relation.

    Original languageEnglish
    Pages (from-to)154-158
    Number of pages5
    JournalInternational Journal of Heat and Mass Transfer
    Issue number1-2
    Publication statusPublished - 2006 Jan



    • Boundary layer
    • Ceiling fire
    • Flame dimension

    ASJC Scopus subject areas

    • Fluid Flow and Transfer Processes
    • Energy(all)
    • Mechanical Engineering

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