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Pré-Publication, Document De Travail Année : 2009

Induction in a von Karman flow driven by ferromagnetic impellers

Résumé

We study magnetohydrodynamics in a von Kármán flow driven by the rotation of impellers made of material with varying electrical conductivity and magnetic permeability. Gallium is the working fluid and magnetic Reynolds numbers of order unity are achieved. We find that specific induction effects arise when the impeller's electric and magnetic characteristics differ from that of the fluid. Implications in regards to the VKS dynamo are discussed.
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Dates et versions

hal-00440853 , version 1 (12-12-2009)
hal-00440853 , version 2 (13-04-2015)

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Citer

Gautier Verhille, Nicolas Plihon, Mickaël Bourgoin, Philippe Odier, Jean-François Pinton. Induction in a von Karman flow driven by ferromagnetic impellers. 2009. ⟨hal-00440853v1⟩
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