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Experimental aspects of contactless inductive flow tomography

Th. Gundrum , G. Gerbeth , F. Stefani , M. Xu

Forschungszentrum Rossendorf, P.O. Box 510119, D-01314 Dresden, Germany

Contactless inductive flow tomography (CIFT) is aimed at velocity reconstruction in electrically conducting melts, which are used in many metallurgical and crystal growth applications. Under the influence of an externally applied magnetic field the flow induced current produces a perturbation of the applied field, which can be measured outside the fluid volume. The alternating application of two orthogonal external fields represents a minimum for the detection of both poloidal and toroidal velocity components. The paper gives an introduction to CIFT and describes its first experimental application to a propeller driven flow of the liquid alloy GaInSn. Figs 7, Refs 11.

Magnetohydrodynamics 42, No. 2/3, 153-160, 2006 [PDF, 0.37 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X