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Study of Multilayer Clothing Thermal Insulation Using Thermography and the Finite Volume Method

Research and development

Authors:

  • Puszkarz Adam K.
    Department of Material and Commodity Sciencs and Textile Metrology, Faculty of Material Technologies and Textile Design, Technical University of Lodz, Łódź, Poland
  • Krucińska Izabella (j/w)

Nr DOI: 10.5604/12303666.1221747

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Abstract:

The article concerns the wide issue which is thermal comfort. In the paper investigations on the textile thermal insulation problem are presented. Materials  tested were multi-layer systems with potential application in uniforms addressed to  firefighters. Thermal insulation was tested both experimentally (using a thermal imaging camera) and by modelling (by means of simulations of heat transfer phenomena on 3-D models of real textiles). The materials investigated were constructed with the following raw materials: Kevlar, Nomex, ePTFE, PU and carbon fiber. Textiles with a comparable geometric structure and similar composition were tested for their thermal insulation. In the experimental part temperature,  the change in specific constant ambient conditions was obtained using a thermal imaging camera. In the simulation part 3-D models of actual textiles were designed and the temperature change was calculated on the basis simulations of the real experiment performed . For each multi-layer system two models were designed, with varying degree of mapping the structure of the yarn in the fabrics. The main goal of the work was experimental verification of both models. As a result of the simulation performed on a model characterised by a more accurate mapping of the yarn structure, comparable results were obtained with experimental data and a strong relationship of thermal insulation textiles from the composition of raw materials and the geometric structure was confirmed.

Tags:

fabric, simulation, heat transport phenomena, thermal insulation, modelling, thermography, finite volume method.

Citation:

Puszkarz AK, Krucińska I. Study of Multilayer Clothing Thermal Insulation Using Thermography and the Finite Volume Method.  FIBRES & TEXTILES in Eastern Europe  2016; 24, 6(120): 129-137. DOI: 10.5604/12303666.1221747

Published in issue no 6 (120) / 2016, pages 129–137.

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