Influence of magnetic fields on surface driven flows


Influence of magnetic fields on surface driven flows

Gerbeth, G.

A summary of magnetic field effects on surface driven flows will be given. Own work in the fields
- hydrothermal waves controlled by magnetic fields,
- Marangoni flows at liquid metal surfaces,
- thermoelectrically driven flows,
- levitated spheres and drops,
- Marangoni motion of drops
will be summarized. In addition, literature results about magnetic field influence on floating zone crystal growth or the use of magnetic fields in laser or electron beam welding bill be given. The second part of the lecture will concentrate on possible experiments with magnetic fields under microgravity. Proposals will be presented for discussion for crystal growth with magnetic fields, thermoelectricity, electromagnetic gas injectors, or magnetic field control of electrochemical processes. Emphasis will be put on the problem of diagnostics being inherent to all activities.

  • Lecture (Conference)
    Workshop "Applications of magnetic fields in materials processing under microgravity conditions", Erlangen, Nov. 11-12, 1998

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