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
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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Interaction of the natural longitudinal vortices with the ring vortices in the jet
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Visualizaion of vortex rings in the subsonic jet
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