Transport of Magnetic Field by a Turbulent Flow of Liquid Sodium

Journal Article · Fri Aug 18 00:00:00 EDT 2006 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.97.074501· OSTI ID:20860692

Volk, R; Odier, Ph; Pinton, J -F ^[1]; Ravelet, F; Monchaux, R; Chiffaudel, A; Daviaud, F ^[2]; Berhanu, M; Fauve, S; Mordant, N; Petrelis, F ^[3]

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1. Laboratoire de Physique de l'Ecole Normale Superieure de Lyon, CNRS UMR 5672, 47 allee d'Italie, 69364 Lyon Cedex 07 (France)
2. Service de Physique de l'Etat Condense, Direction des Sciences de la Matiere, CEA-Saclay, CNRS URA 2464, 91191 Gif-sur-Yvette cedex (France)
3. Laboratoire de Physique Statistique de l'Ecole Normale Superieure, CNRS UMR 8550, 24 Rue Lhomond, 75231 Paris Cedex 05 (France)

We study the effect of a turbulent flow of liquid sodium generated in the von Karman geometry, on the localized field of a magnet placed close to the frontier of the flow. We observe that the field can be transported by the flow on distances larger than its integral length scale. In the most turbulent configurations, the mean value of the field advected at large distance vanishes. However, the rms value of the fluctuations increases linearly with the magnetic Reynolds number. The advected field is strongly intermittent.

• OSTI ID: 20860692
• Journal Information: Physical Review Letters, Vol. 97, Issue 7; Other Information: DOI: 10.1103/PhysRevLett.97.074501; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
58 GEOSCIENCES
FLUCTUATIONS
GEOMETRY
LIQUIDS
MAGNETIC FIELDS
MAGNETIC REYNOLDS NUMBER
MAGNETS
SODIUM
TURBULENT FLOW