Byrne, D.; Xia, H.; Shats, M.
Here we report the first evidence of the inverse energy cascade in a flow
dominated by 3D motions. Experiments are performed in thick fluid layers where
turbulence is driven electromagnetically. It is shown that if the free surface
of the layer is not perturbed, the top part of the layer behaves as quasi-2D
and supports the inverse energy cascade regardless of the layer thickness. Well
below the surface the cascade survives even in the presence of strong 3D eddies
developing when the...[Show more]
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