2016•Physical Review FluidsOpen access

Enstrophy inertial range dynamics in generalized two-dimensional turbulence

Takahiro Iwayama, Takeshi Watanabe

Abstract

The enstrophy inertial range dynamics of generalized two-dimensional turbulence is investigated using the Eddy-Damped Quasi-Normal Markovianized approximation equation. The transition to ${k}^{-1}$ spectrum is analytically derived and the non-local triad interactions are shown to be responsible for the transition.

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Key concepts: Enstrophy, Turbulence, Inertial frame of reference, Dynamics (music), Range (aeronautics), Statistical physics, Physics, Triad (sociology)