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Measurement of solid-phase concentration in solid-liquid flow using magnetic fluid

H. Yamasaki , X.-D. Niu , H. Yamaguchi

Department of Mechanical Engineering, Doshisha University, 1-3 Tataramiyakodani, Kyotanabe-shi, Kyoto 610-0321, Japan

Abstract
In this study, we first introduce an electromagnetic induction method and propose to use for measuring a solid-liquid two-phase flow. In order to overcome the difficulties of conventional methods for measuring the concentration of solid phase in the solid-liquid two-phase flow, a unique measuring technique using electromagnetic induction with a diluted magnetic fluid is applied. In this method, a 5 wt.\% magnetic fluid diluted by distilled water was used as a test liquid. In order to verify the validity of the technique for measuring the solid-liquid two-phase flow, experiments in actual solid-liquid two-phase flow with a tilted channel and a vertical channel were performed, where the solid particle velocity and concentration were measured. The present measuring technique has been proved to be valid for both pseudo-homogeneous flow and moving bed flow and can measure the concentration of solid phase at low concentration area of 3.38 %. Figs 3, Refs 7.

Magnetohydrodynamics 49, No. 3/4, 407-410, 2013 [PDF, 0.65 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X
DOI: http://doi.org/10.22364/mhd