Studies on the wearing characteristics of protective clothings against agricultural chemicals. Part 1 The effects of different material and design.:Part 1 The Effects of Different Material and Design
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概要
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As a protective clothing against agricultural chemicals non-permeable materials are used in closed designs. Such clothings give us great physical and mental burdens. To examine the comfortableness of protective clothings experiments were performed with four protective dothings A, B, C and D of different materials or designs and a training wear (TW) .<BR>Five healthy female young adults were exposed to 26°C, 50%RH and 0.1 m/s wind in a laboratory. They kept rest on chairs for 10 minutes, then performed an exercise of stepping up and down a 25 cm high platform 30 times/min for 20 minutes and again kept rest on chairs for 30 minutes. Rectal temperature and skin temperatures on nine points, microclimate under the clothing, heart rate, total sweat rate and an amount of absorbed water to clothings were measured. The subjects described their feeling of warmth, discomfort, wetness and wearing of clothings before, during and after the experiment by rating scales.<BR>Mean skin temperature showed a maximum at five minutes of exercise. The maximal change of the skin temperature was larger in the order TW < C <A ≅ B < D. Total sweat rate was not different between the four protective clothings, but the absorbed water to a clothing was larger in the order TW < C < B ≅ A < D. Therefore, protective clothing C with a high moisture permeability was the most effective one. The heart rate showed a maximum at the end of exercise and could not recover perfectly at the end of the experiment with little difference between the four protective clothings. The recovery from discomfort feeling was better with protective clothing C or TW while it was the worst with D among the four. As a result, feeling of wearing was the best with TW followed by C, and was the worst with D. The feeling of discomfort or wearing had a high correlation with mean skin temperature, inner humidity or absorbed water to clothing.
- 日本生気象学会の論文
日本生気象学会 | 論文
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