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KMID : 0371019690020010081
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Journal of Preventive Medicine and Public Health
1969 Volume.2 No. 1 p.81 ~ p.87
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A Study of Clothings for Cold Prevention
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Shim Sang-Hwang
Cha Chul-Hwan
Yoon Jong-June
Lee Chung-Hee
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Abstract
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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°C. Tele-thermisters 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 ski-parka and quiltwear 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 910ca1/m2/hr. when bared, but with the prototype of vinyl sheets the calorie-loss was 350ca1/m2/hr. (38.5% of bared). Quilt-wear and ski-parka were 380(41.8%) and 440 cal/m2/hr.(48.4%) respectively.
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