Thermoregulatory responses affected by wet clothing
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Accession number;06A0743289
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| Title;Thermoregulatory responses affected by wet clothing |
| Author;
MAEDA AKIKO
(Department of Living Sciences, Nagano Prefectural College)
YAMASAKI KAZUHIKO
(Faculty of Human Life Sciences, Jissen Women's University)
NOJIRI KAYOKO
(Faculty of Human Life Sciences, Jissen Women's University)
TOCHIHARA YUTAKA
(Faculty of Design, Kyushu University)
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Journal Title;Japanese Journal of Biometeorology
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Journal Code:Y0957A
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ISSN:0389-1313
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VOL.43;NO.2;PAGE.103-112 (J-STAGE)(2006)
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| Figure&Table&Reference;FIG.5, TBL.2, REF.31 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;The purpose of this study was to observe the thermoregulatory responses while wearing wet clothing. The subjects were eleven healthy adult women. The climatic chamber was controlled at 20, 25, 30.DEG.C, and relative humidity was fixed at 80%. The clothing styles were sweat shirts and pants (S), and T-shirts and short pants (T). Five conditions (30S, 30T, 25S, 25T, 20S) were prepared by the above mentioned conditions. The wet conditions of clothing were categorized into three states, namely D (dry state), W1 (damp state) and W2 (soaked state). The mean weight of total clothing in D, W1, W2 were 819, 1238, 2596 g respectively for S, and 356, 501, 759 g respectively for T. The rest and work periods were prepared for each wet condition. The relative metabolic rate of the step test during work period was 2.7. The measurement items were oxygen intake, rectal temperature (Tr), mean skin temperature (Tsk) and subjective sensations. The oxygen intake varied according to the clothing weight and cold stress. Tr decreased gradually in condition of 25T and 20S. Tsk decreased gradually depending on the environmental temperature and decreased remarkably in condition 20S. The main results were as follows: 1) When wet clothing was worn at 30.DEG.C, it was possible to minimize the thermal stress by adjusting the clothing style. 2) When wet clothing was worn at or below 25.DEG.C, the cold stress might have occurred for light clothing. 3) Whether the clothing condition was dry or wet, Tsk was about 33.DEG.C for the neutral thermal sensation. 4) The distinctive feature of wet clothing condition was that Tsk decreased remarkably when the thermal sensation shifted to the "cold" side. (Author abst.) |
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