Selective freezing of a dilute salt solution on a cold ice surface

L. J. Fang, Fan-bill B. Cheung, J. H. Linehan, D. R. Pedersen

    Research output: Contribution to journalArticle

    39 Citations (Scopus)

    Abstract

    The growth of a solid-liquid, two-phase region during selective freezing of a dilute, eutectic-forming, salt solution over a subcooled ice slab is investigated experimentally and theoretically. The morphology of the two-phase region and the kinetics of the solid-liquid interface observed for a NaCl-H2O system are described photographically. The motion of the two-phase, liquidus front, recorded by a telescopic device that amplifies the local phenomena of the two-phase region, is presented along with the measured transient temperature distribution of the system. Based on the assumption that the solution element of the two-phase region is in local thermodynamic equilibrium with the solid phase, a similarity model is developed to predict the dependence of the freezing rate on various controlling parameters of the system. Transient heat conduction in the ice slab is also included in the model to study the effect of the wall. Comparison is made between the analytical and the experimental results and found to be good.

    Original languageEnglish (US)
    Pages (from-to)385-393
    Number of pages9
    JournalJournal of Heat Transfer
    Volume106
    Issue number2
    DOIs
    StatePublished - Jan 1 1984

    Fingerprint

    Ice
    Freezing
    freezing
    ice
    slabs
    Salts
    salts
    local thermodynamic equilibrium
    liquidus
    liquid-solid interfaces
    conductive heat transfer
    eutectics
    solid phases
    temperature distribution
    Liquids
    Heat conduction
    Eutectics
    kinetics
    Temperature distribution
    liquids

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanics of Materials
    • Mechanical Engineering

    Cite this

    Fang, L. J. ; Cheung, Fan-bill B. ; Linehan, J. H. ; Pedersen, D. R. / Selective freezing of a dilute salt solution on a cold ice surface. In: Journal of Heat Transfer. 1984 ; Vol. 106, No. 2. pp. 385-393.
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    abstract = "The growth of a solid-liquid, two-phase region during selective freezing of a dilute, eutectic-forming, salt solution over a subcooled ice slab is investigated experimentally and theoretically. The morphology of the two-phase region and the kinetics of the solid-liquid interface observed for a NaCl-H2O system are described photographically. The motion of the two-phase, liquidus front, recorded by a telescopic device that amplifies the local phenomena of the two-phase region, is presented along with the measured transient temperature distribution of the system. Based on the assumption that the solution element of the two-phase region is in local thermodynamic equilibrium with the solid phase, a similarity model is developed to predict the dependence of the freezing rate on various controlling parameters of the system. Transient heat conduction in the ice slab is also included in the model to study the effect of the wall. Comparison is made between the analytical and the experimental results and found to be good.",
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    Selective freezing of a dilute salt solution on a cold ice surface. / Fang, L. J.; Cheung, Fan-bill B.; Linehan, J. H.; Pedersen, D. R.

    In: Journal of Heat Transfer, Vol. 106, No. 2, 01.01.1984, p. 385-393.

    Research output: Contribution to journalArticle

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    AU - Fang, L. J.

    AU - Cheung, Fan-bill B.

    AU - Linehan, J. H.

    AU - Pedersen, D. R.

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    AB - The growth of a solid-liquid, two-phase region during selective freezing of a dilute, eutectic-forming, salt solution over a subcooled ice slab is investigated experimentally and theoretically. The morphology of the two-phase region and the kinetics of the solid-liquid interface observed for a NaCl-H2O system are described photographically. The motion of the two-phase, liquidus front, recorded by a telescopic device that amplifies the local phenomena of the two-phase region, is presented along with the measured transient temperature distribution of the system. Based on the assumption that the solution element of the two-phase region is in local thermodynamic equilibrium with the solid phase, a similarity model is developed to predict the dependence of the freezing rate on various controlling parameters of the system. Transient heat conduction in the ice slab is also included in the model to study the effect of the wall. Comparison is made between the analytical and the experimental results and found to be good.

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