Frequency effects of a rotating magnetic field on fluid flow in vertical cylinders

Konstantin Mazuruk; Narayanan Ramachandran; Martin P. Volz; Donald C. Gillies

doi:10.1117/12.277729

7 July 1997 Frequency effects of a rotating magnetic field on fluid flow in vertical cylinders

Konstantin Mazuruk, Narayanan Ramachandran, Martin P. Volz, Donald C. Gillies

Proceedings Volume 3123, Materials Research in Low Gravity; (1997) https://doi.org/10.1117/12.277729
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

The body force generated by a rotating magnetic field applied to a cylindrical column of liquid metal of finite height is investigated theoretically. Although an exact analytical formula has not been found, the proposed approach leads to a good approximate solution. It is demonstrated that the force field is significantly affected by the angular frequency of the rotating magnetic field. In the low-frequency limit, only the azimuthal component is present, while in the high frequency regime, a complex force field is induced which is composed of both azimuthal and meridional components. The resulting azimuthal flow in the Stokesian regime has been numerically obtained and a counter-rotating profile has been demonstrated. The calculated results can be used to determine the fluid flow behavior during crystal growth in a weak rotating magnetic field.

Citation Download Citation

Konstantin Mazuruk, Narayanan Ramachandran, Martin P. Volz, and Donald C. Gillies "Frequency effects of a rotating magnetic field on fluid flow in vertical cylinders", Proc. SPIE 3123, Materials Research in Low Gravity, (7 July 1997); https://doi.org/10.1117/12.277729

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