Physiological Responses of Cold Protective Clothing with Different clo Value

보온력 차이에 따른 방한복 상의의 인체착의 생리반응

  • Lee, Jung-Sug (Dept. of Clothing & Textiles, Kyungpook National University) ;
  • Kim, Hee-Eun (Dept. of Clothing & Textiles, Kyungpook National University) ;
  • Song, Min-Kyu (Korea Textile Development Institute)
  • Received : 2008.07.25
  • Accepted : 2008.10.16
  • Published : 2008.10.31

Abstract

The purpose of this study was to investigate physiological responses such as rectal temperature, skin temperature, micro climate, sweat rate and subjective sensations using cold protective clothing with five different clo value. The clo value was measured by thermal manikin in windless condition. Healthy five 20's males volunteered as subjects for wearing trial experiment. The climate chamber was controlled at $50^{\circ}C$, 65% RH. The experiment consisted of repeated exercise and recovery periods. We found that the higher clo value has, the higher mean skin temperature, micro climate and sweat rate show. They felt warm and wet with higher insulation clothing. Thermal comfort increased in the last recovery period after exercise. There was significant difference between five cold protective clothing. In correlation analysis of clo value, it showed that correlation coefficient(r) values were more than 0.8. Therefore, in terms of clothing insulation, we found that correlation between thermal manikin experiment and wearing trial experiment was high. Clothing insulation could be variable according to many factors such as body movement, covering area, clothing gap, layering and design. Considering the body movement, we thought that insulation measurement need to carry out both thermal manikin experiment and wearing trial experiment.

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