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Effect of external magnetic field on slip ratio of a LMMHD two-phase flow

S. Eckert1 - G. Gerbeth1 - G. Michalache2 - J.-P. Thibault2

1 Research Center Rossendorf (FZR), Germany
2 Laboratoire des Ecoulements Geophysiques et Industriels, Institute de Mechanique de Grenoble (LEGI-IMG ), France

The behaviour of LMMHD two-phase flow in a transverse magnetic field has been investigated. In frame of a close cooperation between LEGI-IMG and FZR, two facilities with different fluids (mercury - air and sodium - argon, respectively) are involved in activities for establishing an experimental data base. In this paper the main interest is focused on the results regarding bubble slip ratio influenced by the magnetic field. Results on the momentum transfer in LMMHD two-phase flow are basically for a number of technological applications, in particular, the design of LMMHD-generators. Technological applications require simple, experimentally based models being able to describe the average behaviour of the flow. Theoretical predictions are gained by exploitation of a one-dimensional bubbly flow model. The model will be introduced briefly and the results obtained from the calculations will be discussed in comparison to the experimental data. Table 1, Figs 7, Refs 6.

Magnitnaya Gidrodinamika 33, No. 3, 289-296, 1997 [PDF, 0.46 Mb] (in Russian)
Magnetohydrodynamics 33, No. 3, 239-247, 1997 [PDF, 0.40 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X