The Branly Effect and Contacting Grains in a Packing

S. Dorbolo () and N. Vandewalle
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S. Dorbolo: University of Liège, GRASP, Department of Physics
N. Vandewalle: University of Liège, GRASP, Department of Physics

A chapter in Traffic and Granular Flow ’03, 2005, pp 521-524 from Springer

Abstract: Summary The electrical conductivity of a granular matter has been studied. Electromagnetic perturbations have been experimentally produced at the vicinity of the packing. The Branly experiment has been performed and quantified. It appears that the soldering of grains is induced by the electromagnetic waves. This explains the drop of electrical resistance, i.e., the Branly effect. The contacts between the grains is enhanced because the electromagnetic waves induce soldering between grains.

Keywords: Electrical conductivity; Branly effect; granular materials (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-28091-0_51

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DOI: 10.1007/3-540-28091-X_51

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