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Turbulence can be sustained and controlled using coherent vortex rings

Repeated firing of vortex rings into a water tank is shown to create an isolated blob of confined turbulence — perfect for studying the nature of turbulence and its interface with quiescence. Moreover, using coherent vortex rings to feed the turbulence allows the controlled injection of conserved quantities such as helicity.

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Fig. 1: Repeated collision of eight vortex rings forms an isolated blob of turbulence.


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This is a summary of: Matsuzawa, T., Mitchell, N. P., Perrard, S. & Irvine, W. T. M. Creation of an isolated turbulent blob fed by vortex rings. Nat. Phys. (2023).

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Turbulence can be sustained and controlled using coherent vortex rings. Nat. Phys. 19, 1088–1089 (2023).

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