Flow Visualization on Cone Cross Section of Nozzle Jet

  • SUGIMORI Tadayuki
    "Department of Information Systems Science, Faculty of Engineering, SOKA University"
  • BABA Kunio
    "Department of Information Systems Science, Faculty of Engineering, SOKA University"
  • ISHII Yoshio
    "Department of Information Systems Science, Faculty of Engineering, SOKA University"
  • WATANABE Kazuhiro
    "Department of Information Systems Science, Faculty of Engineering, SOKA University"
  • KUBOTA Yuzuru
    "Department of Information Systems Science, Faculty of Engineering, SOKA University"

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Other Title
  • C123 噴霧ノズル・ジェットの半円錐断面上の流れの可視化
  • フンム ノズル ジェット ノ ハン エンスイ ダンメンジョウ ノ ナガレ ノ

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Abstract

A laser scanning device has been newly utilized to draw arbitrary 3-dimensional surfaces in space of interest, and applied to 3-D flow visualization in the field of flow dynamics. Laminar-to-turbulence transitions in a circular jet has been visualized as one of the applications of this method by means of the proposed laser scanning technology. Transition originated from vortical structures in the water channel have been successfully visualized on the conical surfaces of interest. The obtained images show that the laser scanning method can offer very interesting information in terms of circumferential surface in a circular jet.

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