Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes

J. Yu, S. Momoki, Shigeru Koyama

    Research output: Contribution to journalArticle

    26 Citations (Scopus)

    Abstract

    In the present study the experiments on flow boiling heat transfer in two horizontal smooth copper tubes are carried out with pure refrigerants HFC134a, HCFC123, HCFC22, CFC114 and CFC12 using water-heated double-tube type test sections. One test tube is of 8.4 mm inside diameter, and the other is of 7.9 mm inside diameter. For both tubes the surface roughness is measured and the surface micro-geometry is observed with SEM. From the experimental results, the surface effect on flow boiling heat transfer is clarified and a correlation for the heat transfer coefficient is proposed in consideration of the surface effect. This correlation equation agrees well with the experimental data from different sources.

    Original languageEnglish
    Pages (from-to)1909-1918
    Number of pages10
    JournalInternational Journal of Heat and Mass Transfer
    Volume42
    Issue number10
    DOIs
    Publication statusPublished - May 1 1999

    Fingerprint

    boiling
    Boiling liquids
    norflurane
    heat transfer
    tubes
    Heat transfer
    Refrigerants
    Heat transfer coefficients
    Copper
    refrigerants
    heat transfer coefficients
    Surface roughness
    surface roughness
    Scanning electron microscopy
    Geometry
    Water
    copper
    scanning electron microscopy
    geometry
    Experiments

    All Science Journal Classification (ASJC) codes

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

    Cite this

    Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes. / Yu, J.; Momoki, S.; Koyama, Shigeru.

    In: International Journal of Heat and Mass Transfer, Vol. 42, No. 10, 01.05.1999, p. 1909-1918.

    Research output: Contribution to journalArticle

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