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

doi:10.1103/PhysRevLett.104.094503

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 journal › Article › peer-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 language	English (US)
Article number	094503
Journal	Physical review letters
Volume	104
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.104.094503
State	Published - Mar 5 2010

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.104.094503

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AU - Jaworski, M. A.

AU - Gray, T. K.

AU - Antonelli, M.

AU - Kim, J. J.

AU - Lau, C. Y.

AU - Lee, M. B.

AU - Neumann, M. J.

AU - Xu, W.

AU - Ruzic, D. N.

PY - 2010/3/5

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AB - 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.

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Thermoelectric magnetohydrodynamic stirring of liquid metals

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