Acceleration and vortex filaments in turbulence
F. Toschi, L. Biferale, G. Boffetta, A. Celani, B. J. Devenish, A. Lanotte
Abstract
We report recent results from a high resolution numerical study of fluid particles transported by a fully developed turbulent flow. Single particle trajectories were followed for a time range spanning more than three decades, from less than a tenth of the Kolmogorov time-scale up to one large-eddy turnover time. We present some results concerning acceleration statistics and the statistics of trapping by vortex filaments.
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