Exact coherent structures in a fully developed round jet

  • Deguchi, Kengo (Monash University)

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Self-similar three-dimensional nonlinear solutions are found in a fully developed round jet at high Reynolds numbers. These solutions satisfy the Navier-Stokes equations with the multiple scale far-field approximation and can be converted into travelling waves after a certain coordinate transformation. Analysis of these solutions may help in the theoretical understanding of the coherent structures in turbulent jets.