Improvement of thermal comfort by cooling clothing in warm climate

Tomonori Sakoi, Arsen Krikor Melikov, Sona Kolencíková, Naoto Tominaga

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    Abstract

    We developed cooling clothing that utilizes water evaporation and can adjust the cooling intensity according to the user’s preference. The continuous cooling effect is supported by a small supply of clean water, and wet discomfort is prevented by using a textile with waterrepellent silicon coating on the inner surface. We conducted experiments with human subjects in climate chambers maintained at 30 °C and RH 50% to compare the effectiveness of the cooling clothing with that of other convective cooling devices. The use of cooling clothing with a convective cooling device improved the subjects’ thermal comfort compared to convective cooling alone. The supply of a small amount of water allowed the cooling clothing to provide a continuous cooling effect, whereas the effect of convective cooling alone decreased as sweat dried. However, the controllability of the cooling clothing needs to be improved.
    Original languageEnglish
    Title of host publicationProceedings of Indoor Air 2014
    Number of pages8
    PublisherInternational Society of Indoor Air Quality and Climate
    Publication date2014
    Article numberHP0471
    Publication statusPublished - 2014
    Event13th International Conference on Indoor Air Quality and Climate - University of Hong Kong, Hong Kong, Hong Kong
    Duration: 7 Jul 201412 Jul 2014
    Conference number: 13
    http://www.indoorair2014.org/

    Conference

    Conference13th International Conference on Indoor Air Quality and Climate
    Number13
    LocationUniversity of Hong Kong
    Country/TerritoryHong Kong
    CityHong Kong
    Period07/07/201412/07/2014
    Internet address

    Keywords

    • Thermal comfort
    • Personal cooling system
    • Clothing
    • Evaporation

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