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Modeling Protective Properties of Textile Shielding Grids Against Electromagnetic Radiation

Research and development

Authors:

  • Rybicki Tomasz
    Department of Non-conventional Techniques and Textiles, Textile Research Institute, Łódź, Poland
  • Rybicki Tomasz
    Institute of Automatic Control, Faculty of Electrical, Electronic, Computer and Control Engineering, Lodz University of Technology, Łódź, Poland
  • Brzeziński Stefan
    Department of Non-conventional Techniques and Textiles, Textile Research Institute, Łódź, Poland
  • Lao Marek (j/w)
  • Krawczyńska Iwona (j/w)

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Abstract:

The shielding properties of conductive grids are mainly due to the reflection of electromagnetic waves from their surface. The shielding effectiveness depends on the grid mesh size and the thickness and resistivity of the grid material. This paper presents the results of model studies of equivalent circuits of new grids made of woven fabrics containing various types of conductive threads in their structures. The results obtained in the simulation software Matlab/Simulink were compared with measurement results of the transmission and reflection losses (coefficients) of the electromagnetic radiation (EMR) obtained by the wave-guide applicator method within the frequency range of 2.5 - 18 GHz, showing their great similarity. The modelling method developed makes it possible to optimise the design processes of the structure and raw material composition of shielding fabrics with the EMR suppression expected for the practical applications specified.

Tags:

textile shields, electromagnetic radiation, equivalent circuit, modeling.

Citation:

Rybicki T, Brzeziński S, Lao M, Krawczyńska I. Modeling Protective Properties of Textile Shielding Grids Against Electromagnetic Radiation.
FIBRES & TEXTILES in Eastern Europe 2013; 21, 1(97): 78-82.

Published in issue no 1 (97) / 2013, pages 78–82.

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