TRANSIENT FREEZING OF LIQUIDS IN TUBE FLOW.

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    Abstract

    Transient flow and freezing of molten core debris in coolant channels of the subassemblies of a liquid-metal fast breeder reactor has been an important consideration in postaccident heat removal. As a first step to study this phenomenon, transient freezing of a number of simulant materials in tube flow was investigated experimentally. Controlling parameters of the transient materials in tube flow was investigated experimentally. Controlling parameters of the transient freezing process were determined from theoretical consideration. A parametric study of the effects of the controlling parameters on freezing was carried out, and an empirical correlation based on experimental measurements was obtained that is applicable over a wide range of Prandtl numbers. Results of the present study were compared to the existing analytical models.

    Original languageEnglish (US)
    Pages (from-to)1-9
    Number of pages9
    JournalNuclear Science and Engineering
    Volume60
    Issue number1
    DOIs
    StatePublished - Jan 1 1976

    All Science Journal Classification (ASJC) codes

    • Nuclear Energy and Engineering

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