期刊
TEXTILE RESEARCH JOURNAL
卷 81, 期 9, 页码 945-958出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0040517510395994
关键词
Thermal resistance; evaporative resistance; effect of environmental conditions; effect of fabric properties
资金
- NSERC [G121211023]
- University of Alberta [N031000558]
In Part I of this work, a heat and mass transfer model was developed to calculate the thermal and evaporative resistances of a single-layer fabric system. Using this model, the effects of environmental conditions, air gap, and material properties on the thermal and evaporative resistances have now been studied. The thickness of the air gap and that of the fabric layer were shown to contribute significantly to both the thermal resistance and evaporative resistance. The occurrence of natural convection in the air gap can cause decreases in thermal and evaporative resistances, and needs to be considered to determine the optimal air gap thickness. The porosity of the fabric layer has a distinct effect on the two resistances, and is an excellent property to help achieve both thermal protection and comfort. This work provides the fundamental basis for the optimization of garment fit and material properties to achieve good performance of the clothing system.
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