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피복(被服)의 보온효과에 관(關)한 연구(硏究) -비닐의 방풍효과를 중심(中心)으로-
심상황,차철환,윤종준,이정희,Shim, Sang-Hwang,Cha, Chul-Hwan,Yoon, Jong-June,Lee, Chung-Hee 대한예방의학회 1969 Journal of Preventive Medicine and Public Health Vol.2 No.1
Three Combinations of cloths were evaluated for the protective effects of different kinds of clothings in cold environments. Table 1 shows the components of the three models of clothings. A prototype was made by putting a sheet of vinyl at the middle layer of raw cotton in a fabric-quilt cloths. A glove mannequin was covered by each of these cloths. The globes contained 1,000 cc of hot water about $40^{\circ}C$. Tele-thermistors were fixed in order to check the temperature of cloths space and water temperature for evaluation of calorie-loss and climate of clothings. Results are summarized as follows: 1) Without wind, there is no significant difference of air temperatures between sti-parka and quilt-wear clothing. 2) The prototype with vinyl sheet best protects against wind, the next is the ski-parka. Quilt-wear protects the least. 3) It is well-known that a working-clothing needs not have any separate liners nor outers. 4) For innermost layer of a clothing preventing cold, a cotton-fabrics is recommended and a water-proof cloths for outer layer. 5) Heat-loss was calculated from the cooling degrees of water. Calorie-loss was $910cal/m^2/hr$. when bared, but with the prototype of vinyl sheets the calorie-loss was $350cal/m^2/hr$. (38.5% of bared). Quilt-wear and ski-parka were 380(41.8%) and $440cal/m^2/hr$. (48.4%) respectively.