Modelling of the isothermal melt flow due to rotating magnetic fields in crystal growth

The use of a rotating magnetic field promises the feature of a contactless flow control in crystal growth especially for configurations where an increase of the material transport in a definite way is desired. This paper gives the comparison of numerically calculated and experimentally obtained resu...

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Bibliographic Details
Published in:Journal of crystal growth 1997-10, Vol.180 (3-4), p.410-421
Main Authors: Barz, R.U., Gerbeth, G., Wunderwald, U., Buhrig, E., Gelfgat, Yu.M.
Format: Article
Language:English
Subjects:
Convection
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Growth from melts
zone melting and refining
Growth from the melt
Magnetic field control of melt motion
Magnetohydrodynamics and electrohydrodynamics
Materials science
Methods of crystal growth
physics of crystal growth
Physics
Taylor number
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Summary:The use of a rotating magnetic field promises the feature of a contactless flow control in crystal growth especially for configurations where an increase of the material transport in a definite way is desired. This paper gives the comparison of numerically calculated and experimentally obtained results on the flow due to a rotating magnetic field as well as numerical results on the influence of the field parameters (frequency, amplitude) on the fluid flow in the melt.
ISSN:0022-0248
1873-5002
DOI:10.1016/S0022-0248(97)00237-6