Design and Analysis of a Linear Type Electromagnetic Stirrer

Milind, S and Ramanarayanan, V (2004) Design and Analysis of a Linear Type Electromagnetic Stirrer. In: Conference Record of the 2004 IEEE : Industry Applications Conference39th IAS Annual Meeting, 3-7 October, Seattle, Vol.1, 188-194.

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Abstract

Electromagnetic stirring (EMS) of metallic alloys is mainly used to refine the grain structure of castings. This technique results in increased homogeneity of the cast alloys. In this paper a design oriented approach to a linear electromagnetic stirrer is presented. A mathematical model of such a stirrer is proposed to obtain electromagnetic field solutions. The field solutions so obtained are compared with those obtained from the finite-element model. The influences of excitation frequency and current on the induced current density and axial force and their variation with radius have been investigated. Experimental results obtained from a prototype are presented.

Item Type:	Conference Paper
Publisher:	IEEE
Additional Information:	1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	13 Dec 2005
Last Modified:	19 Sep 2010 04:22
URI:	http://eprints.iisc.ac.in/id/eprint/4462

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