Journal
INTERNATIONAL JOURNAL OF MULTIPHASE FLOW
Volume 26, Issue 1, Pages 45-66Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0301-9322(99)00006-3
Keywords
liquid metal-gas flow; bubble; magnetic field; MHD turbulence; void fraction; resistivity probe
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We investigate the dispersion of gas bubbles injected from a single orifice into a liquid metal flow subjected to transverse and longitudinal magnetic fields. The local void fraction is detected by means of resistivity probes, The results show a damping of velocity fluctuations corresponding to a decrease in the bubble dispersion with increasing magnetic field. An isotropic distribution of the gas phase is preserved if a longitudinal field is applied, while an anisotropic distribution is observed in case the applied magnetic field is transverse to the flow indicating the existence of quasi-two-dimensional vortices as typical of turbulent magnetohydrodynamic flows. (C) 1999 Elsevier Science Ltd. All rights reserved.
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