Structural instability of two-dimensional turbulence

Michael Chertkov, Gregory Falkovich

Research output: Contribution to journalArticlepeer-review

Abstract

Weakly anisotropic steady are found for both inverse and direct cascades in two-dimensional turbulence of an incompressible fluid. The degree of anisotropy is shown to increase for both spectra: as (kL) -2 3 upscales and as (kΔ)2 downscales from the pump. A weakly anisotropic intermediate-scale pumping may thus produce a substantially anistropic turbulence in the inertial intervals of scales.

Original languageEnglish
Pages (from-to)11-29
Number of pages19
JournalPhysica D: Nonlinear Phenomena
Volume78
Issue number1-2
DOIs
Publication statusPublished - 1 Nov 1994
Externally publishedYes

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