Dynamics of colloidal suspensions of ferromagnetic particles in plane Couette flow: Comparison of approximate solutions with Brownian dynamics simulations

Patrick Ilg, Martin Kröger, Siegfried Hess, and Andrey Yu. Zubarev
Phys. Rev. E 67, 061401 – Published 11 June 2003
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Abstract

The stationary and oscillatory properties of dilute ferromagnetic colloidal suspensions in plane Couette flow are studied. Analytical expressions for the off-equilibrium magnetization and the shear viscosity are obtained within the so-called effective field approximation. We also investigate the predictions of a different approximation based on the linearized moment expansion. Direct numerical simulation of the kinetic model are performed in order to test the range of validity of these approximations.

  • Received 7 February 2003

DOI:https://doi.org/10.1103/PhysRevE.67.061401

©2003 American Physical Society

Authors & Affiliations

Patrick Ilg1,*, Martin Kröger1,2, Siegfried Hess1, and Andrey Yu. Zubarev3

  • 1Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstrasse 36, D-10623 Berlin, Germany
  • 2ETH Zürich, Department of Materials, Institute of Polymers, CH-8092 Zürich, Switzerland
  • 3Urals State University, Lenin Avenue 51, 620 083 Ekaterinburg, Russia

  • *Email address: ilg@physik.tu-berlin.de

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Issue

Vol. 67, Iss. 6 — June 2003

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