Smart Structures and Systems

  • 제29권5호
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  • Pages.653-660
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  • 2022
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Development of exothermic system based on internet of things for preventing damages in winter season and evaluation of applicability to railway vehicles

  • Kim, Heonyoung (Research Institute, PILETA Co., Ltd.) ;
  • Kang, Donghoon (Railroad Safety Research Division, Korea Railroad Research Institute) ;
  • Joo, Chulmin (Department of Mechanical Engineering, Yonsei University)
  • 투고 : 2021.01.13
  • 심사 : 2022.01.06
  • 발행 : 2022.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

Gravel scattering that is generated during operation of high-speed railway vehicle is cause to damage of vehicle such as windows, axle protector and so on. Especially, those are frequently occurred in winter season when snow ice is generated easily. Above all, damage of vehicle windows has not only caused maintenance cost but also increased psychological anxiety of passengers. Various methods such as heating system using copper wire, heating jacket and heating air are applied to remove snow ice generated on the under-body of vehicle. However, the methods require much run-time and man power which can be low effectiveness of work. Therefore, this paper shows that large-area heating system was developed based on heating coat in order to fundamentally prevent snow ice damage on high-speed railway vehicle in the winter season. This system gives users high convenience because that can remotely control the heating system using IoT-based wireless communication. For evaluating the applicability to railroad sites, a field test on an actual high-speed railroad operation was conducted by applying these techniques to the brake cylinder of a high-speed railroad vehicle. From the results, it evaluated how input voltage and electric power per unit area of the heating specimen influences exothermic performance to draw the permit power condition for icing. In the future, if the system developed in the study is applied at the railroad site, it may be used as a technique for preventing all types of damages occurring due to snow ice in winter.

키워드

과제정보

This research was supported by a grant from R&D Program of the Korea Railroad Research Institute, Republic of Korea.

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