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[02142] Self-similar hierarchy of vortices in turbulence

  • Session Time & Room : 5D (Aug.25, 15:30-17:10) @E817 A715
  • Type : Contributed Talk
  • Abstract : By direct numerical simulations, we show that there exists the hierarchy of vortex axes in turbulence, which is self-similar in a wide range of scales, i.e., in the inertial range and a lower part of the dissipation range. This result means that the volume fraction occupied by the tubular vortices at each scale is independent of the scale.
  • Classification : 76F65, 65Z05
  • Format : Talk at Waseda University
  • Author(s) :
    • Tomonori Tsuruhashi (The University of Tokyo)
    • Susumu Goto (Osaka University)
    • Sunao Oka (Osaka University)
    • Tsuyoshi Yoneda (Hitotsubashi University)