<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The magnetic field acting on the ferrofluids causes microstructural conversions that result in a change of their permeability. For this physical phenomenon is referred to as field induced magnetism (FIMA). An experimental method is described for ferrofluids in this state to examine their permeability tensor. Also an analogous phenomenon is described also when there is a change of the ferrofluids permittivity. We call it field induced dielectric anisotropy (FIDA). The contribution describes the method of measuring of the permittivity tensor. It can be expected that the FIMA and FIDA of ferrofluids will find interesting applications in designing of various sensors, in measurement technology, in mechatronic and in other areas of practice.</p></abstract>

The magnetic field acting on the ferrofluids causes microstructural conversions that result in a change of their permeability. For this physical phenomenon is referred to as field induced magnetism (FIMA). An experimental method is described for ferrofluids in this state to examine their permeability tensor. Also an analogous phenomenon is described also when there is a change of the ferrofluids permittivity. We call it field induced dielectric anisotropy (FIDA). The contribution describes the method of measuring of the permittivity tensor. It can be expected that the FIMA and FIDA of ferrofluids will find interesting applications in designing of various sensors, in measurement technology, in mechatronic and in other areas of practice.

An Approach to Measurment of Permeability/Permittivity Tensor of Ferrofluids

University of West Bohemia in Pilsen, Department of Electrical Engineering

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"An Approach to Measurment of Permeability/Permittivity Tensor of Ferrofluids"}

The magnetic field acting on the ferrofluids causes microstructural conversions that result in a change of their permeability. For this physical phenomenon is...

An Approach to Measurment of Permeability/Permittivity Tensor of Ferrofluids

Published Online: Nov 10, 2015

Page range: 292 - 296

Received: Aug 24, 2015

DOI: https://doi.org/10.2478/jee-2015-0048

Keywords
ferrofluids, induced anisotropy, permeability (permittivity) tensor, frozen anisotropy

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

An Approach to Measurment of Permeability/Permittivity Tensor of Ferrofluids

Published Online: Nov 10, 2015

Page range: 292 - 296

Received: Aug 24, 2015

DOI: https://doi.org/10.2478/jee-2015-0048

Keywordsferrofluids, induced anisotropy, permeability (permittivity) tensor, frozen anisotropy

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
ferrofluids, induced anisotropy, permeability (permittivity) tensor, frozen anisotropy