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Pis'ma v Zh. Èksper. Teoret. Fiz., 2019, Volume 110, Issue 5, Pages 314–322 (Mi jetpl5989)  

PLASMA, HYDRO- AND GAS DYNAMICS

Nonlinear transformations of the kinetic and magnetic energies in rotating magnetohydrodynamic turbulent flows

R. A. Sirazovab, A. S. Petrosyanab

a Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Moscow region, Russia
b Space Research Institute, Russian Academy of Sciences, Moscow, Russia

Abstract: Time-periodic imbalances in the kinetic and magnetic energies at the conservation of the total energy have been found for three-dimensional homogeneous magnetohydrodynamic turbulence in the presence of rotation and an external magnetic field. It has been shown that these imbalances are caused by the collisions of Alfvén wave packets that arise because of the external magnetic field. It has been shown that no periodic imbalances of the kinetic and magnetic energies occur in the system at certain threshold values of the angular velocity of rotation and external magnetic field.

Funding Agency Grant Number
Russian Foundation for Basic Research 19-02-00016
Foundation for the Development of Theoretical Physics and Mathematics BASIS
Russian Academy of Sciences - Federal Agency for Scientific Organizations 19-270
This work was supported by the Foundation for the Advancement of Theoretical Physics and Mathematics Basis, by the Presidium of the Russian Academy of Sciences (project no. KP19-270 Problems of the Origin and Evolution of the Universe Using Ground-Based Observations and Space Research), and by the Russian Foundation for Basic Research (project no. 19-02-00016).


DOI: https://doi.org/10.1134/S0370274X19170053

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English version:
Journal of Experimental and Theoretical Physics Letters, 2019, 110:5, 329–335

Received: 10.06.2019
Revised: 16.07.2019
Accepted:17.07.2019

Citation: R. A. Sirazov, A. S. Petrosyan, “Nonlinear transformations of the kinetic and magnetic energies in rotating magnetohydrodynamic turbulent flows”, Pis'ma v Zh. Èksper. Teoret. Fiz., 110:5 (2019), 314–322; JETP Letters, 110:5 (2019), 329–335

Citation in format AMSBIB
\Bibitem{SirPet19}
\by R.~A.~Sirazov, A.~S.~Petrosyan
\paper Nonlinear transformations of the kinetic and magnetic energies in rotating magnetohydrodynamic turbulent flows
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2019
\vol 110
\issue 5
\pages 314--322
\mathnet{http://mi.mathnet.ru/jetpl5989}
\crossref{https://doi.org/10.1134/S0370274X19170053}
\elib{http://elibrary.ru/item.asp?id=39566378}
\transl
\jour JETP Letters
\yr 2019
\vol 110
\issue 5
\pages 329--335
\crossref{https://doi.org/10.1134/S0021364019170119}


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