Thermoelectric magnetohydrodynamic stirring of liquid metals

M. A. Jaworski, T. K. Gray, M. Antonelli, J. J. Kim, C. Y. Lau, M. B. Lee, M. J. Neumann, W. Xu, D. N. Ruzic

Research output: Contribution to journalArticlepeer-review

Abstract

The direct observation of a thermoelectric magnetohydrodynamic (TEMHD) flow has been achieved and is reported here. The origin of the flow is identified based on a series of qualitative tests and corresponds, quantitatively, with a swirling flow TEMHD model. A theory for determining the dominant driver of a free-surface flow, TEMHD or thermocapillary (TC), is found to be consistent with the experimental results. The use of the analytical form for an open geometry develops a new dimensionless parameter describing the ratio of TEMHD to TC generated flows.

Original languageEnglish (US)
Article number094503
JournalPhysical review letters
Volume104
Issue number9
DOIs
StatePublished - Mar 5 2010

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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