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  • 标题:衣服の保温性に関わる布の吸湿に伴う温度上昇の動的解析
  • 本地全文:下载
  • 作者:井上 尚子 ; 上甲 恭平 ; 高橋 勝六
  • 期刊名称:日本家政学会誌
  • 印刷版ISSN:0913-5227
  • 电子版ISSN:1882-0352
  • 出版年度:2014
  • 卷号:65
  • 期号:10
  • 页码:575-585
  • DOI:10.11428/jhej.65.575
  • 出版社:The Japan Society of Home Economics
  • 摘要:

    The increase in cloth temperature with moisture absorption was measured in an experiment in which humid air flowed through dry fabric placed in a glass column. The maximum increases in the fabric temperature when thermometer was placed 1 cm apart from the upstream end of the fabric packing were 18, 15, 12.5, 5 and 1 K for used wool, silk, cotton, nylon and polyester fabrics, respectively. The air humidity decreased as a result of moisture transfer into the fabric, and the air temperature and fabric temperature increased with moisture absorption. The air enthalpy decreased with moisture absorption into the fabric, i.e., the effect of the decrease in humidity on the enthalpy offset the effect of the increase in temperature. The increase in the wool fabric temperature with moisture absorption was also measured when the fabric was suspended within a humid air flow under the same condition as the one used for the measurement of the moisture absorption rate. The fabric temperature increased with the increase in air humidity, and the temperature increase in the initial period was larger for the larger flow rate of humid air, but it decreased as time went by. The amount of time required for the fabric temperature to increase with moisture absorption was calculated from the moisture absorption rate of the cloth, using a model in which the heat generated by moisture absorption was consumed by the increase in fabric temperature, and the heat transfer from the cloth into the air. The calculated time accurately reflected the time taken in the actual experiment.

  • 关键词:被服; 吸湿; 布; 布の温度上昇; 温熱衣服
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