Fashion & Textile Research Journal (한국의류산업학회지)

The Society of Fashion and Textile Industry (한국의류산업학회)
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Heat Transfer Depending on 3D Printing Material and Shape for Protector Development

3D 프린팅 보호대 개발을 위한 재료와 구조에 따른 열전달 평가

  • Okkyung Lee (Research Institute of Human Ecology, Chungnam National University) ;
  • Soyoung Kim (Advanced Material Research Center, Kumoh National Institute of Technology) ;
  • Yejin Lee (Dept. of Clothing and Textiles, Chungnam National University) ;
  • Heeran Lee (Dept. of Material Design Engineering, Kumoh National Institute of Technology)
  • 이옥경 (충남대학교 생활과학연구소) ;
  • 김소영 (금오공과대학교 신소재연구소) ;
  • 이예진 (충남대학교 의류학과) ;
  • 이희란 (금오공과대학교 소재디자인공학과)
  • Received : 2023.05.19
  • Accepted : 2023.07.06
  • Published : 2023.08.28
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Abstract

This study measured the effect 3D printing products comprised of different materials and shapes on heat transfer in clothing to derive fundamental data on thermal comfort among clothing comfort. The variables were three types of material (EVA foam, TPU-10%, TPU-10%+EVA), two types of shape (without holes, with holes), and two types of covers(without cover, with cover). All samples (12 types) prepared by combining these variables were placed on the hot plate set at 36℃, and the surface temperature was measured at three points for 10 minutes. The surface temperature change was dependent on the material, shape, and cover of the sample. The sample printed with TPU exhibited higher temperature transfer compared to the EVA foam sample after 10 mins. In addition, the temperature transfer was better when there were holes, and rate decreased when the sample was covered with fabric. We confirmed that material selection of the pad and thermal conductivity of the cover are extremely important in solving thermal stress to the human body caused by functional clothing with protectors. Additionally, as the protector, it is recommended to design the outer shell with a passage, such as a hole, to allow the rapid transfer of heat to the external environment.

Keywords

Acknowledgement

이 연구는 금오공과대학교 대학 학술연구비로 지원되었음(2021).

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