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

J. Yu, Shigeru Koyama, S. Momoki

    Research output: Contribution to conferencePaper

    Abstract

    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.

    Original languageEnglish
    Pages423-428
    Number of pages6
    Publication statusPublished - Dec 1 1996
    EventProceedings of the 1996 4th International Symposium on Heat Transfer, ISHT - Beijing, China
    Duration: Oct 7 1996Oct 11 1996

    Other

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

    Fingerprint

    Boiling liquids
    Heat transfer
    Refrigerants
    Heat transfer coefficients
    Macros
    Surface roughness
    Copper
    Scanning electron microscopy
    Geometry
    Water
    Experiments

    All Science Journal Classification (ASJC) codes

    • Engineering(all)

    Cite this

    Yu, J., Koyama, S., & Momoki, S. (1996). Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes. 423-428. Paper presented at Proceedings of the 1996 4th International Symposium on Heat Transfer, ISHT, Beijing, China, .

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

    1996. 423-428 Paper presented at Proceedings of the 1996 4th International Symposium on Heat Transfer, ISHT, Beijing, China, .

    Research output: Contribution to conferencePaper

    Yu, J, Koyama, S & Momoki, S 1996, 'Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes', Paper presented at Proceedings of the 1996 4th International Symposium on Heat Transfer, ISHT, Beijing, China, 10/7/96 - 10/11/96 pp. 423-428.
    Yu J, Koyama S, Momoki S. Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes. 1996. Paper presented at Proceedings of the 1996 4th International Symposium on Heat Transfer, ISHT, Beijing, China, .
    Yu, J. ; Koyama, Shigeru ; Momoki, S. / Experimental study of surface effect on flow boiling heat transfer in horizontal smooth tubes. Paper presented at Proceedings of the 1996 4th International Symposium on Heat Transfer, ISHT, Beijing, China, .6 p.
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