EXPERIMENTS ON NEGATIVE AND POSITIVE MAGNETOVISCOSITY IN AN ALTERNATING MAGNETIC-FIELD

Authors
ZEUNER A RICHTER R REHBERG I
Citation
A. Zeuner et al., EXPERIMENTS ON NEGATIVE AND POSITIVE MAGNETOVISCOSITY IN AN ALTERNATING MAGNETIC-FIELD, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 58(5), 1998, pp. 6287-6293
Citations number
14
Categorie Soggetti
Physycs, Mathematical","Phsycs, Fluid & Plasmas
Journal title
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics → ACNP
ISSN journal
1063651X
Volume
58
Issue
5
Year of publication
1998
Part
B
Pages
6287 - 6293
Database
ISI
SICI code
1063-651X(1998)58:5<6287:EONAPM>2.0.ZU;2-R
Abstract
Recently it has been predicted and shown experimentally that the visco sity of a magnetic fluid flowing through a capillary pipe (Hagen-Poise uille flow) can be reduced under the influence of an alternating, line arly polarized magnetic field. We present experimental results of the amplitude and frequency dependence of this ''negative viscosity effect .'' Experimental data are quantitatively compared with results we have obtained by numeric integration of a prevailing model. [S1063-651X(98 )12711-3].