Exit time of turbulent signals: a way to detect the intermediate dissipative range
L. Biferale, M. Cencini, D. Vergni, A. Vulpiani
Abstract
The exit time statistics of experimental turbulent data is analyzed. By looking at the exit-time moments (Inverse Structure Functions) it is possible to have a direct measurement of scaling properties of the laminar statistics. It turns out that the Inverse Structure Functions show a much more extended Intermediate Dissipative Range than the Structure Functions, leading to the first clear evidence of the universal properties of such a range of scales.
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