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Development of Air Ventilation Garments with Small Fan Panels to Improve Thermal Comfort

Author

Listed:
  • Mengmeng Zhao

    (College of Textile and Clothing, Shanghai University of Engineering Science, Shanghai 201620, China)

  • Chuansi Gao

    (Aerosol and Climate Laboratory, Division of Ergonomics and Aerosol Technology, Department of Design Sciences, Lund University, 221 00 Lund, Sweden)

  • Min Wang

    (College of Fashion and Art Design, Donghua University, Shanghai 200051, China)

Abstract

Air ventilation garments (AVGs) are reported to be effective in improving thermal comfort in hot environments in previous research. The purpose of this study was to develop AVGs with small fan panels and examine their cooling performance. Three AVGs equipped with more, much smaller sized ventilation fans were developed, including FFV (ten small fans all located on the front body), BBV (ten small fans all located on the back body), and FBV (six small fans located on the front body and four small fans located on the back body). Another garment, without ventilation fans but with the same structure and textile material, was made as a reference garment (CON). The cooling performance of the four garments was examined through subject trials in a moderately hot environment of 32 °C and 60% relative humidity. Simulated office work with 70 min of sedentary activity was performed. The results showed that the physiological indexes of the mean body skin temperature, the mean torso skin temperature, and the heart rate in the three AVG scenarios were significantly lower than those in the CON condition ( p < 0.05). Thermal sensation, thermal comfort, and wetness sensation were also improved when wearing the three AVGs ( p < 0.05). No significant difference was displayed among the three AVGs on the whole body and the whole torso ( p > 0.05) due to the similarity of the air velocity created by the fan panels. A significant difference was found on the local torso skin, with FFV significantly reducing the chest and the belly skin temperature, and BBV significantly reducing the scapula and the lower back skin temperature ( p < 0.05). This study indicates that the AVGs with the small fan panels were effective in reducing heat strain and improving thermal comfort, and thus are recommended for use in hot environments.

Suggested Citation

  • Mengmeng Zhao & Chuansi Gao & Min Wang, 2023. "Development of Air Ventilation Garments with Small Fan Panels to Improve Thermal Comfort," Sustainability, MDPI, vol. 15(11), pages 1-15, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:11:p:8452-:d:1153411
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    References listed on IDEAS

    as
    1. Bo You & Jiao Yang & Jianfeng Liu & Heqing Liu & Yi Lu & Qiaoyun Han & Yixin Zhang, 2022. "Study of the Influence of Different Clothing Materials for Mine Ventilation Clothing on Human Body and Microclimate under Clothing," Sustainability, MDPI, vol. 14(20), pages 1-14, October.
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