Interactions of Vortices

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概要

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• Interaction of vortex filaments are one of the elementary process taking place in turbulent flow, and some interesting interaction phenomena among them are studied. Firstly, several vortex rings are ejected in series along the same axis into still air through a circular orifice and the interactions of them are experimentally analyzed together with the simple numerical simulation by micro-computer using discrete vortex method in which each vortex is represented by seven vortex filaments. Secondly, an elliptic vortex ring is ejected through an elliptic orifice and the deformation of the ring due to the self interaction is followed. Thirdly, two vortex rings are ejected simultaneously from two identical circular orifices separated with a certain distance and their merging, splitting and interchanging are observed.

• 宇宙航空研究開発機構の論文

著者

• Oshima Yuko

  Ochanomizu University.

関連論文

• Interactions of Vortices

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