Universal profile of the vortex condensate in two-dimensional turbulence
Fluid Dynamics
2015-03-10 v1
Abstract
An inverse turbulent cascade in a restricted two-dimensional periodic domain leads to the creation of condensate -- a pair of coherent system-size vortices. We perform extensive numerical simulations of this system and carry on detailed theoretical analysis based upon momentum and energy exchanges between the turbulence fluctuations and the mean coherent condensate (vortices). The theory predicts the vortex profile and amplitude which perfectly agree with the numerical data.
Keywords
Cite
@article{arxiv.1406.1349,
title = {Universal profile of the vortex condensate in two-dimensional turbulence},
author = {Jason Laurie and Guido Boffetta and Gregory Falkovich and Igor Kolokolov and Vladimir Lebedev},
journal= {arXiv preprint arXiv:1406.1349},
year = {2015}
}
Comments
4 pages, 7 figures