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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2019, Volume 110, Issue 2, Pages 106–111
DOI: https://doi.org/10.1134/S0370274X19140078
(Mi jetpl5956)
 

This article is cited in 2 scientific papers (total in 2 papers)

PLASMA, HYDRO- AND GAS DYNAMICS

Statistical properties of the velocity field for the 3D hydrodynamic turbulence onset

D. S. Agafontsevab, E. A. Kuznetsovcbd, A. A. Mailybaeve

a Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia
b Skolkovo Institute of Science and Technology, Moscow, Russia
c Landau Institute for Theoretical Physics of Russian Academy of Sciences, Chernogolovka, Moscow region, Russia
d Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
e Instituto Nacional de Matemática Pura e Aplicada – IMPA, Rio de Janeiro, Brazil
Full-text PDF (425 kB) Citations (2)
References:
Abstract: We study the statistical correlation functions for the three-dimensional hydrodynamic turbulence onset when the dynamics is dominated by the pancake-like high-vorticity structures. With extensive numerical simulations, we systematically examine the two-points structure functions (moments) of velocity. We observe formation of the power-law scaling for both the longitudinal and the transversal moments in the same interval of scales as for the energy spectrum. The scaling exponents for the velocity structure functions demonstrate the same key properties as for the stationary turbulence case. In particular, the exponents depend on the order of the moment non-trivially, indicating the intermittency and the anomalous scaling, and the longitudinal exponents turn out to be slightly larger than the transversal ones. When the energy spectrum has power-law scaling close to the Kolmogorov’s one, the longitudinal third-order moment shows close to linear scaling with the distance, in line with the Kolmogorov’s 4/5-law despite the strong anisotropy.
Received: 01.06.2019
Revised: 01.06.2019
Accepted: 06.06.2019
English version:
Journal of Experimental and Theoretical Physics Letters, 2019, Volume 110, Issue 2, Pages 121–126
DOI: https://doi.org/10.1134/S0021364019140017
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. S. Agafontsev, E. A. Kuznetsov, A. A. Mailybaev, “Statistical properties of the velocity field for the 3D hydrodynamic turbulence onset”, Pis'ma v Zh. Èksper. Teoret. Fiz., 110:2 (2019), 106–111; JETP Letters, 110:2 (2019), 121–126
Citation in format AMSBIB
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\yr 2019
\vol 110
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\pages 106--111
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  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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