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The plane jet, visualized by the smoke, with the "top-hat" mean velocity profile at the nozzle exit

Project: Visualization of Mechanical Processes

Journal: Visualization of Mechanical Processes: An International Online Journal

Article: INFLUENCE OF INITIAL CONDITIONS AT THE NOZZLE EXIT AND ACOUSTICAL ACTION ON THE STRUCTURE AND STABILITY OF A PLANE JET

Topics: Turbulence, Turbulence models, Flow-structure interaction, Nozzles, Aerodynamics, Visualization techniques

This movie shows the experimental results on the role of streaky structures in the process of evolution of the plane jet initiated by the gas outflow from the classical nozzle with the "top-hat" mean velocity profile at the nozzle exit. It can be seen that the process of interaction of streaky structures with the jet leads to the appearance of Λ- or Ω-like vortices.

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