Engineering of clothing systems for improved thermophysiological comfort The effect of openings

Engineering of clothing systems for improved thermophysiological comfort The effect of openings To evaluate the effectiveness of ventilation systems in outdoor jackets, two jackets were purchased and modified, one made of PTFE laminated fabric and the other made of polyurethane coated fabric. Six male subjects undertook exercise routines simulating fell walking while wearing these jackets. The skin temperature at four different locations and the amount of perspiration generated during exercise were recorded for analysis. The experimental results were analysed using two‐ way analysis of variance. From the analysis it was found that during the exercise the design of the pit zip openings, especially with pit zip openings at both sleeve and side seams, in a jacket has an effect on thermal regulation, limiting the rate of temperature increase; however, during rest it is the fabric that plays the more important role. The results for the period of exercise suggest that the provision of ventilation at appropriate positions in the jacket could contribute considerably to heat loss irrespective of the use of breathable fabrics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Clothing Science and Technology Emerald Publishing

Engineering of clothing systems for improved thermophysiological comfort The effect of openings

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Publisher
Emerald Publishing
Copyright
Copyright © 1999 MCB UP Ltd. All rights reserved.
ISSN
0955-6222
DOI
10.1108/09556229910258098
Publisher site
See Article on Publisher Site

Abstract

To evaluate the effectiveness of ventilation systems in outdoor jackets, two jackets were purchased and modified, one made of PTFE laminated fabric and the other made of polyurethane coated fabric. Six male subjects undertook exercise routines simulating fell walking while wearing these jackets. The skin temperature at four different locations and the amount of perspiration generated during exercise were recorded for analysis. The experimental results were analysed using two‐ way analysis of variance. From the analysis it was found that during the exercise the design of the pit zip openings, especially with pit zip openings at both sleeve and side seams, in a jacket has an effect on thermal regulation, limiting the rate of temperature increase; however, during rest it is the fabric that plays the more important role. The results for the period of exercise suggest that the provision of ventilation at appropriate positions in the jacket could contribute considerably to heat loss irrespective of the use of breathable fabrics.

Journal

International Journal of Clothing Science and TechnologyEmerald Publishing

Published: Mar 1, 1999

Keywords: Clothing industry; Clothing; Thermophysiological

References

  • Evaluation of vapor permeation through garments during exercise
    Gonzalez, R.R.; Cena, K.
  • Principles of Environmental Physics
    Monteith, J.L.
  • Water vapour transfer in waterproof breathable fabrics, Part 2: under windy conditions
    Ruckman, J.E.

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