Study on boundary layer transition of a rotating disk

Y. Kohama

    Research output: Contribution to journalArticle

    96 Citations (Scopus)

    Abstract

    Behaviour of spiral vortices being generated in transition regime of a disk rotating in otherwise undisturbed fluid is experimentally studied in detail. Through visualizations of the transition regime by using close-up camera, new striped flow patterns originating along the axis of spital vortices are found to be ring-like vortices which occur on the surfaces of each spiral vortices. Mechanism of the spiral vortex is clarified by cutting the vortices by strobo slit light. It is also found out experimentally that the phase velocity of the vortices is zero.

    Original languageEnglish
    Pages (from-to)193-199
    Number of pages7
    JournalActa Mechanica
    Volume50
    Issue number3-4
    DOIs
    Publication statusPublished - 1984 Sep 1

    ASJC Scopus subject areas

    • Computational Mechanics
    • Mechanical Engineering

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