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Electromagnetic control of heat transport within a rectangular channel filled with flowing liquid metal
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Dept. of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544, United States of America.
2018 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 58, no 1, article id 016009Article in journal (Refereed) Published
Abstract [en]

The behavior of free-surface, liquid-metal flows exposed to both magnetic fields and an injected electric current is investigated via experiment and numerical simulations. The purpose of this paper is to provide an experimental and theoretical proof-of-concept for enhanced thermal mixing within fast-flowing, free-surface, liquid-metal plasma facing components that could be used in next-generation fusion reactors. The enhanced hydrodynamic and thermal mixing induced by non-uniform current density near the electrodes appears to improve heat transfer through the thickness of the flowing metal. Also, the outflow heat flux profile is strongly affected by the impact of the J x B forces on flow velocity. The experimental results are compared to COMSOL simulations in order to lay the groundwork for future liquid-metal research.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2018. Vol. 58, no 1, article id 016009
Keywords [en]
liquid metal experiment, heat transport, MHD simulations
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-217718DOI: 10.1088/1741-4326/aa8bf4ISI: 000414591400003Scopus ID: 2-s2.0-85038628750OAI: oai:DiVA.org:kth-217718DiVA, id: diva2:1159680
Note

QC 20171123

Available from: 2017-11-23 Created: 2017-11-23 Last updated: 2017-11-23Bibliographically approved

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Modestov, Mikhail

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