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The effect of secondary arm growth on thermoelectric magnetohydrodynamics

The effect of secondary arm growth on thermoelectric magnetohydrodynamics

Kao, A. ORCID: 0000-0002-6430-2134 and Pericleous, K. ORCID: 0000-0002-7426-9999 (2012) The effect of secondary arm growth on thermoelectric magnetohydrodynamics. Magnetohydrodynamics, 48 (2). pp. 361-370. ISSN 0024-998X

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Abstract

Direct numerical simulations of 3D dendritic growth in the presence of moderate/high magnetic fields have shown that a significant fluid flow can be driven in the mushy inter-dendritic region. The onset of secondary branching caused by the heat and mass transport of fluid flow causes thermoelectric microcirculations to form, which act to amplify the Lorentz force allowing significant velocities to persist within the inter-dendritic regions. A simplified 1D analytic solution demonstrates that for supercooled dendritic growth the fluid velocity could be comparable to the tip velocity.

Item Type: Article
Additional Information: [1] Published in Magnetohydrodynamics 48, 2 (2012), Special Issue: Selected papers of the 8th PAMIR International Conference "Fundamental MHD and liquid metal technology", Borgo-Corsica, France, September 5-9, 2011 where the paper was first presented.
Uncontrolled Keywords: dendritic growth, fluid velocity
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty / Department / Research Group: Faculty of Liberal Arts & Sciences
Faculty of Liberal Arts & Sciences > Department of Mathematical Sciences
Related URLs:
Last Modified: 23 Sep 2019 14:48
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/9398

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