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Ravelet F, Berhanu M, Monchaux R, et al. Chaotic dynamos generated by a turbulent flow of liquid sodium. Phys Rev Lett. 2008;101(7):074502doi: 10.1103/PhysRevLett.101.074502.
Ravelet, F., Berhanu, M., Monchaux, R., Aumaître, S., Chiffaudel, A., Daviaud, F., Dubrulle, B., Bourgoin, M., Odier, P., Plihon, N., Pinton, J. F., Volk, R., Fauve, S., Mordant, N., & Pétrélis, F. (2008). Chaotic dynamos generated by a turbulent flow of liquid sodium. Physical review letters, 101(7), 074502. https://doi.org/10.1103/PhysRevLett.101.074502
Ravelet, F, et al. "Chaotic dynamos generated by a turbulent flow of liquid sodium." Physical review letters vol. 101,7 (2008): 074502. doi: https://doi.org/10.1103/PhysRevLett.101.074502
Ravelet F, Berhanu M, Monchaux R, Aumaître S, Chiffaudel A, Daviaud F, Dubrulle B, Bourgoin M, Odier P, Plihon N, Pinton JF, Volk R, Fauve S, Mordant N, Pétrélis F. Chaotic dynamos generated by a turbulent flow of liquid sodium. Phys Rev Lett. 2008 Aug 15;101(7):074502. doi: 10.1103/PhysRevLett.101.074502. Epub 2008 Aug 14. PMID: 18764540.
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Phys Rev Lett. 2008 Aug 15;101(7):074502. doi: 10.1103/PhysRevLett.101.074502. Epub 2008 Aug 14.

Chaotic dynamos generated by a turbulent flow of liquid sodium.

Physical review letters

F Ravelet, M Berhanu, R Monchaux, S Aumaître, A Chiffaudel, F Daviaud, B Dubrulle, M Bourgoin, Ph Odier, N Plihon, J-F Pinton, R Volk, S Fauve, N Mordant, F Pétrélis

Affiliations

  1. Service de Physique de l'Etat Condensé, Direction des Sciences de la Matière, CEA-Saclay, CNRS URA 2464, 91191 Gif-sur-Yvette cedex, France.

PMID: 18764540 DOI: 10.1103/PhysRevLett.101.074502

Abstract

We report the observation of several dynamical regimes of the magnetic field generated by a turbulent flow of liquid sodium (VKS experiment). Stationary dynamos, transitions to relaxation cycles or to intermittent bursts, and random field reversals occur in a fairly small range of parameters. Large scale dynamics of the magnetic field result from the interactions of a few modes. The low dimensional nature of these dynamics is not smeared out by the very strong turbulent fluctuations of the flow.

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