INTERFACIAL PROPERTIES AND ENTRAINMENT DUE TO TURBULENCE GENERATED BY AN OSCILLATING GRID.

Masaru Ura, Toshimitsu Komatsu, Nobuhiro Matsunaga

    研究成果: Contribution to journalArticle査読

    2 被引用数 (Scopus)

    抄録

    The characteristics of turbulence, interfacial fluctuation and entrainment caused by an oscillating grid have been investigated. The turbulent intensities, integral length scales and organized eddy scales have been described with the distance from the grid and the physical quantities of grid oscillation. The r. m. s. values, integral time scales and predominant periods of the interfacial fluctuation have been shown as functions of turbulent Richardson number. From flow visualizations and results mentioned above, we have found how the integral scale eddies and organized eddies play roles on entrainment and suggest the minus 5/3 power entrainment law.

    本文言語英語
    ページ(範囲)91-99
    ページ数9
    ジャーナルDoboku Gakkai ronbun hokokushu
    345 /II-1
    出版ステータス出版済み - 1984

    All Science Journal Classification (ASJC) codes

    • 工学(全般)

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