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Thermodiffusive processes in ferrofluids.

T. Voelker1 , E. Blums2 , S. Odenbach1

1 ZARM, University of Bremen, Am Fallturm, 28359 Bremen, FRG
2 Institute of Physics, University of Latvia, Salaspils-1, LV-2169, Latvia

Experiments on the particle separation in a vertical thermodiffusion column are used to investigate the Soret effect in ferrofluids. Employment of a two-sectional column with the internal wall of low thermal capacity allows analyzing the initial part of unsteady separation curves. Soret coefficients calculated from the measurement of separation dynamics agree well with those found from the steady separation limit reached in long-time experiments. Figs 3, Refs 8.

Magnetohydrodynamics 37, No. 3, 274-278, 2001 [PDF, 0.19 Mb]

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