Large scale dynamics in two-dimensional turbulence

Details Large scale dynamics in two-dimensional turbulence Large scale dynamics in two-dimensional turbulence

2010-07-15

arxiv.org/abs/1007.2485v1

Physics

Fluid Dynamics

5 pages, 0 figures, 1 table

Scientific paper

We consider freely decaying two-dimensional isotropic turbulence. It is usually assumed that, in such turbulence, the energy spectrum at small wave number, takes the form, where is the two-dimensional version of Loitsyansky's integral. In this paper, we developed a simple model for large scale dynamics of free decay two-dimensional turbulence based on the statistical solution of Navier-Stokes equation. We provide one possible explanation for the large scale dynamics in two-dimensional turbulence.

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