Energy spectra of developed superfluid turbulence

Details Energy spectra of developed superfluid turbulence Energy spectra of developed superfluid turbulence

2004-08-27

arxiv.org/abs/nlin/0408048v3

JETP Letters, v. 80 iss. 7, pp. 479-483 (2004)

Nonlinear Sciences

Chaotic Dynamics

5 pages, to be published: JETP Letters v. 80, Issue 7 Oct. 10 (2004)

Scientific paper

10.1134/1.1839294

The spectrum of turbulence in superfluid liquid is modified by the nonlinear energy dissipation caused by the mutual friction between quantized vortices and the normal component of the liquid. In some region of two Reynolds parameters characterizing the flow of a superfluid, we found the new state of the fully developed turbulence. This state displays both the Kolmogorov-Obukhov 5/3-scaling law $E_k \propto k^{-5/3}$ and the new "3-scaling law" $E_k \propto k^{-3}$, each in a well separated range of $k$.

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