Pressure drop and heat transfer during two-phase flow vaporization of propane in horizontal smooth minichannels

Kwang Il Choi, A. S. Pamitran, Jong Taek Oh, Kiyoshi Saito

    Research output: Contribution to journalArticle

    48 Citations (Scopus)

    Abstract

    This study examined the two-phase flow boiling pressure drop and heat transfer for propane, as a long term alternative refrigerant, in horizontal minichannels. The pressure drop and local heat transfer coefficients were obtained for heat fluxes ranging from 5-20 kW m-2, mass fluxes ranging from 50-400 kg m-2 s-1, saturation temperatures of 10, 5 and 0 °C, and quality up to 1.0. The test section was made of stainless steel tubes with inner diameters of 1.5 mm and 3.0 mm, and lengths of 1000 mm and 2000 mm, respectively. The present study showed the effect of mass flux, heat flux, inner tube diameter and saturation temperature on pressure drop and heat transfer coefficient. The experimental results were compared against several existing pressure drop and heat transfer coefficient prediction methods. Because the study on evaporation with propane in minichannels was limited, new correlations of pressure drop and boiling heat transfer coefficient were developed in this present study.

    Original languageEnglish
    Pages (from-to)837-845
    Number of pages9
    JournalInternational Journal of Refrigeration
    Volume32
    Issue number5
    DOIs
    Publication statusPublished - 2009 Aug

    Fingerprint

    Vaporization
    Propane
    Two phase flow
    Pressure drop
    Heat transfer coefficients
    Heat transfer
    Boiling liquids
    Heat flux
    Mass transfer
    Refrigerants
    Evaporation
    Stainless steel
    Temperature

    Keywords

    • Boiling
    • Experiment
    • Heat exchanger
    • Heat transfer
    • Horizontal tube
    • Microchannel
    • Pressure drop
    • Propane
    • Smooth tube
    • Two-diphase flow

    ASJC Scopus subject areas

    • Mechanical Engineering
    • Building and Construction

    Cite this

    Pressure drop and heat transfer during two-phase flow vaporization of propane in horizontal smooth minichannels. / Choi, Kwang Il; Pamitran, A. S.; Oh, Jong Taek; Saito, Kiyoshi.

    In: International Journal of Refrigeration, Vol. 32, No. 5, 08.2009, p. 837-845.

    Research output: Contribution to journalArticle

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