Chaotic quasi-point vortices and inertial range in two-dimensional turbulence

A. Bershadskii

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arXiv · 1906.05216

Chaotic quasi-point vortices and inertial range in two-dimensional turbulence

A. Bershadskii

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Abstract

Effects of quasi-point vortices on the inertial range of scales in homogeneous two-dimensional turbulence (classic and quantum) have been studied using the notion of distributed chaos. Results of direct numerical simulations of decaying turbulence, turbulence with small-scale forcing, and turbulent thermal convection on a sphere as well as results of the Global Atmospheric Sampling Program (GASP) measurements in the tropospheric and stratospheric turbulence over mountainous terrain (the small-scale forcing) have been used for this purpose. The superfluid and Bose-Einstein two-dimensional turbulence have been discussed in this context using the results of direct numerical simulations of the HVBK and Gross-Pitaevskii models, and the laboratory experiments. The Ginsburg-Landau model was also briefly discussed.

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A. Bershadskii. 2019-06-12. Chaotic quasi-point vortices and inertial range in two-dimensional turbulence. https://arxiv.org/abs/1906.05216

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