SPIRAL VORTICES IN BOUNDARY LAYER TRANSITION ON A ROTATING CONE.

R. Kobayashi, Y. Kohama

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    4 Citations (Scopus)

    Abstract

    The experiment shows that spiral vortices transfer to toroidal vortices not as the local rotational speed ratio S tends to infinity but at a definite value between 6 and 8 for the total included cone angle phi of 15 degree and 30 degree . A cross-sectional flow pattern of the vortices is apparently observed to consist of pairs of counter-rotating vortices. The critical and transition Reynolds numbers and the number of the spiral vortices decrease remarkably as the local rotational speed ratio S becomes larger.

    Original languageEnglish
    Title of host publicationUnknown Host Publication Title
    PublisherSpringer Verlag
    Pages573-580
    Number of pages8
    ISBN (Print)3540152504, 9783540152507
    DOIs
    Publication statusPublished - 1985

    ASJC Scopus subject areas

    • Engineering(all)

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