Mesoscale elements description of turbulent flow
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DOI: 10.1016/j.apm.2019.07.042
Abstract: Abstract This work proposes to describe a turbulent flow using a set of mesoscale elements, that is fluid elements of small, but finite, size the properties of which are representative of larger region surrounding them.… read more here.
Keywords: mesoscale elements; description turbulent; elements description; turbulent flow ... See more keywords
Folding Dynamics and Its Intermittency in Turbulence.
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DOI: 10.1103/physrevlett.130.154001
Abstract: Fluid elements deform in turbulence by stretching and folding. In this Letter, by projecting the material deformation tensor onto the largest stretching direction, we depict the dynamics of folding through the evolution of the material… read more here.
Keywords: folding dynamics; fluid elements; turbulence; curvature ... See more keywords