The offshore vortex train

N. Matsunaga, K. Takehara, Y. Awaya

    研究成果: Contribution to journalArticle査読

    7 被引用数 (Scopus)

    抄録

    A row of two-dimensional vortices forms in an offshore zone when regular surface waves run up a sloping flat bed. This vortex row is called the offshore vortex train. The vortices begin to appear near the breaking point. Moving in the offshore direction, they develop and increase their horizontal lengthscale through vortex merging. After reaching a particular offshore location, however, they decay rapidly. The formation region of the vortex train has been investigated on the basis of visual experiments for three bed slopes. Its formation does not depend on the type of wave breaking but is observed when the steepness of deep-water waves is smaller than 4.2 × 10−2. The horizontal lengthscale of the vortices and the velocities of the vortex movement have also been evaluated empirically.

    本文言語英語
    ページ(範囲)113-124
    ページ数12
    ジャーナルJournal of Fluid Mechanics
    276
    5
    DOI
    出版ステータス出版済み - 10 10 1994

    All Science Journal Classification (ASJC) codes

    • 凝縮系物理学
    • 材料力学
    • 機械工学

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