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

J. Yu, S. Koyama, S. Momoki

    研究成果: 会議への寄与タイプ学会誌査読

    抄録

    In the present study the experiments on flow boiling heat transfer in two horizontal smooth tubes are carried out with pure refrigerants HFCl34a, HCFC123, HCFC22, CFC114 and CFC12 using a water-heated double-tube type test section. The test section is 6.0m long, and both copper tubes are of about 8.4 mm inside diameter. The surface roughness is measured and the surface macro-geometry is observed with SEM for both tubes. From the experimental results, the surface effect on flow boiling heat transfer a clarified. A proposed correlation for flow boiling heat transfer coefficient, in which the surface effect is considered, agrees well with the experimental data from different sources.

    本文言語英語
    ページ423-428
    ページ数6
    出版ステータス出版済み - 1996
    イベントProceedings of the 1996 4th International Symposium on Heat Transfer, ISHT - Beijing, China
    継続期間: 10月 7 199610月 11 1996

    その他

    その他Proceedings of the 1996 4th International Symposium on Heat Transfer, ISHT
    CityBeijing, China
    Period10/7/9610/11/96

    !!!All Science Journal Classification (ASJC) codes

    • 工学(全般)

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