✦ LIBER ✦

Forward and inverse problems in MHD: Numerical and experimental results

✍ Scribed by Frank Stefani; Agris Gailitis; Gunter Gerbeth; Thomas Gundrum; Mingtian Xu

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 549 KB
Volume: 30
Category: Article
ISSN: 0936-7195
DOI: 10.1002/gamm.200790005

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

When a conducting fluid comes under the influence of a magnetic field, electrical currents are induced that give rise to a modification of this magnetic field. The ratio of induced magnetic field to applied magnetic field is characterized by the magnetic Reynolds number Rm of the flow. For large Rm, even self‐excitation of a magnetic field can occur. This hydromagnetic dynamo effect is responsible for the maintenance of the magnetic fields of planets, stars and galaxies. In the present paper, we delineate some recent developments in the numerical treatment of induction effects in arbitrary geometry, and their application for dynamo experiments as well as for a “Contactless Inductive Flow Tomography (CIFT)”. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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