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Thermoelectric effects on electrically conducting particles in liquid metal

F. Baltaretu1 , J. Wang2, 3 , S. Letout3 , Z. M. Ren2 , X. Li2 , O. Budenkova3 , Y. Fautrelle1

1 Universitatea Tehnica de Constructii Bucuresti, 66 Pache Protopopescu, 0214134 Bucharest, Romania
2 Shanghai University, 149 Yan Chang Road, Shanghai 200072, P.R. China
3 SIMAP/EPM/Grenoble Institute of Technology/CNRS, BP 75, 38402 Saint Martin d’Hères Cedex, France

Abstract
The present paper deals with the thermoelectric effect on a solid electrically conducting particle immersed in a liquid metal under a temperature gradient. Superimposition of a static magnetic field induces thermoelectric magnetic (TEM) forces both in the solid and in the liquid. Considering a simple spherical particle, the electric current density and the corresponding forces can be calculated analytically. Two cases are considered according to the orientation of the magnetic field with respect to the temperature gradient. The corresponding flow fields around the particle are calculated in both cases. Grain motion is analyzed in the light of ėxtit{in-situ} experiments performed earlier. Tables 3, Figs 7, Refs 9.

Magnetohydrodynamics 51, No. 1, 45-56, 2015 [PDF, 2.18 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X
DOI: http://doi.org/10.22364/mhd