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Viscous properties and structure of ferro-fluids and magneto-rheological fluids. Non-equilibrium molecular dynamics (NEMD) studies of simple model systems.

S. Hess1 - T. Weider1 - M. Kröger1,2

1 Institut f. Theoretische Physik, TU Berlin, Hardenbergstr. 36, 10623 Berlin, Germany }
2 Polymerphysik, Institut f. Polymere, ETH Zürich, Sonneggstr. 3, 8092 Zürich, Schweiz

Abstract
A simple model is introduced for the theoretical treatment of ferro-fluids and magneto-rheological (MR) fluids. Results from analytic calculations and from non-equilibrium molecular dynamics (NEMD)computer simulations are presented for the anisotropy of the viscosity and for shear--induced structural changes in fluids containing particles with perfectly oriented magnetic moments. Furthermore, the rheological behavior of fluids containing chains of particles is discussed. Tables 1, Figs 4, Refs 41.

Magnetohydrodynamics 37, No. 3, 297-306, 2001 [PDF, 0.28 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