Effect of liquid reynolds number on pressure drop of evaporative R-290 in 500μm circular tube

Sentot Novianto, Agus S. Pamitran, Raldi Koestoer, Jong Taek Oh, Kiyoshi Saito

    研究成果: Article

    抄録

    Due to certain advantages, natural refrigerants have recently become more popular. Environmental issues motivate this study, focused on the characteristics of propane (R-290) as a replacement for conventional refrigerants. The aim of the present research is to characterize the pressure drop of evaporative R-290 in a microchannel of 500μm diameter and 0.5 m length. The variables of the experimental conditions are mass flux between 155 and 1071 kg/m2s and vapor quality between 0 and unity. The results show a laminar flow for liquid R-290 and a turbulence flow for vapor. Some existing correlations of two-phase flow viscosity were used to predict the pressure drop. For homogeneous model, Dukler et al.'s (1964) prediction viscosity correlation best predicted the present experimental pressure drop.

    元の言語English
    ページ(範囲)851-857
    ページ数7
    ジャーナルInternational Journal of Technology
    8
    発行部数5
    DOI
    出版物ステータスPublished - 2017 10 1

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    Pressure drop
    Reynolds number
    Refrigerants
    Liquids
    Vapors
    Viscosity
    Microchannels
    Laminar flow
    Propane
    Two phase flow
    Turbulence
    Mass transfer
    Tube
    Environmental issues
    Prediction
    Replacement

    ASJC Scopus subject areas

    • Engineering(all)
    • Strategy and Management
    • Management of Technology and Innovation

    これを引用

    Effect of liquid reynolds number on pressure drop of evaporative R-290 in 500μm circular tube. / Novianto, Sentot; Pamitran, Agus S.; Koestoer, Raldi; Oh, Jong Taek; Saito, Kiyoshi.

    :: International Journal of Technology, 巻 8, 番号 5, 01.10.2017, p. 851-857.

    研究成果: Article

    Novianto, Sentot ; Pamitran, Agus S. ; Koestoer, Raldi ; Oh, Jong Taek ; Saito, Kiyoshi. / Effect of liquid reynolds number on pressure drop of evaporative R-290 in 500μm circular tube. :: International Journal of Technology. 2017 ; 巻 8, 番号 5. pp. 851-857.
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    AU - Pamitran, Agus S.

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    AU - Oh, Jong Taek

    AU - Saito, Kiyoshi

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