Weak periodic excitation of a magnetic fluid capillary flow

Titelangaben

Zeuner, Axel ; Richter, Reinhard ; Rehberg, Ingo:
Weak periodic excitation of a magnetic fluid capillary flow.
In: Journal of Magnetism and Magnetic Materials. Bd. 201 (1999) Heft 1-3 . - S. 321-323.
ISSN 0304-8853
DOI: https://doi.org/10.1016/S0304-8853(99)00086-4

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Abstract

Recently it has been predicted and shown experimentally that the viscosity of a magnetic fluid flowing through a capillary pipe (Hagen–Poiseuille flow) can be reduced under the influence of an alternating, linearly polarized magnetic field. We compare experimental results with the analytical formula for small alternating magnetic fields.