Journal of the Korean Society of Visualization (한국가시화정보학회지)

The Korean Society of Visualization (한국가시화정보학회)
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Droplet anti icing visualization research through hydrophobic variation of surface structure

소수성 표면의 형상 변화를 통한 액적의 방빙 가시화 연구

  • Jinwook Choi (Department of Precision Mechanical Engineering, Kyungpook National University) ;
  • Wang Tao (College of Mechanical & Electric Engineering, Beijing Chemical Engineering University) ;
  • Seolha Kim (Department of Precision Mechanical Engineering, Kyungpook National University)
  • Received : 2023.08.02
  • Accepted : 2023.09.08
  • Published : 2023.11.30
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Abstract

In this study, we investigated the freezing delay time on surfaces with different patterns under -30° conditions through visualization experiments. Among various pattern structures, we fabricated the shape and surface of liquid from the spacing using circular filaments and hole structures. Additionally, using a high-speed camera, we visualized the freezing scenes, enabling us to obtain freezing images and measure the freezing time of the liquid. For each structure, the contact angle and solid fraction of the surface varied. We observed that the freezing delay time was longest when the contact angle was largest and the solid fraction was smallest within the experimental results. We analyzed the variation in anti-icing time using the heat exchange equation between the patterned surface and the liquid.

Keywords

Acknowledgement

본 연구는 2021년 한국연구재단 (과학기술정보통신부 (과제번호 : 2020R1C1C1011232)의 지원에 의하여 수행되었음.

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