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Dynamics of magnetically suspended fluid

Dynamics of magnetically suspended fluid

Bojarevics, V. and Pericleous, K. ORCID: 0000-0002-7426-9999 (2001) Dynamics of magnetically suspended fluid. In: 6th International Symposium on Magnetic Suspension Technology [Proceedings]. ISMST, pp. 287-292.

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Abstract

Magnetic suspension is a technique for processing pure or reactive materials without contact to walls. This work is concerned with the flow in the rapidly deforming liquid volume, suspended in an AC magnetic field. Intense flow motion due to the induced electromagnetic force distorts dynamically the droplet envelope. The relative positional change between the liquid surface and the surrounding coil means that fluid flow and magnetic field computations need to be closely coupled. The computed results are compared against a physical experiment and nearly spherical analytic solutions. A comparison between the "magetic pressure" approximation and the full electromagnetic force solutions shows fundamental differences; the full electromagnetic force is necessary for accurate results in most practical applications of this technique. The physical reason for the fundamental discrepancy is the difference in the electromagnetic force representation: only the gradient part of the full force is accounted for in the "magnetic pressure" approximation.

Item Type: Conference Proceedings
Title of Proceedings: 6th International Symposium on Magnetic Suspension Technology [Proceedings]
Additional Information: [1] This paper was first presented at the 6th International Symposium on Magnetic Suspension Technology held from 7-11 October 2001 in Turin, Italy.
Uncontrolled Keywords: magnetic suspension, flow motion, electromagnetic force
Subjects: Q Science > QA Mathematics
T Technology > TJ Mechanical engineering and machinery
Pre-2014 Departments: School of Computing & Mathematical Sciences
School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis
School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group
School of Computing & Mathematical Sciences > Department of Computer Systems Technology
School of Computing & Mathematical Sciences > Department of Mathematical Sciences
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Last Modified: 14 Oct 2016 09:01
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/597

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