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Numerical study on battery thermal management system using phase change material with oscillating heat pipe

상변화물질과 맥동형 히트 파이프를 이용한 배터리 열 관리 시스템에 대한 수치해석적 연구

  • Seung Hyun Park (Department of Smart Fab. Technology, Sungkyunkwan University) ;
  • Min Gi Chu (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Dong Kee Sohn (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Han Seo Ko (School of Mechanical Engineering and Department of Smart Fab. Technology, Sungkyunkwan University)
  • Received : 2024.06.26
  • Accepted : 2024.07.18
  • Published : 2024.07.31

Abstract

To effectively control heat generation resulting from advancements in fast discharging technology for electric vehicle batteries, hybrid Battery Thermal Management Systems (BTMS) are gaining attention. In this study, a BTMS combining Phase Change Material (PCM) with Oscillating Heat Pipe (OHP) was designed. During the phase change process of the PCM, the maximum battery temperature increased slowly. Additionally, due to the excellent heat transfer capability of the OHP, the PCM/OHP BTMS delayed the time when the maximum battery temperature exceeded 50 ℃ by 810 s compared to the PCM/copper fin BTMS, resulting in the maximum battery temperature that was 41.29 ℃ lower at 3600 s. Furthermore, in the section where the latent heat of the PCM had the greatest impact, the slope of the battery temperature difference was 0.0017 lower than that of the PCM/copper fin BTMS. Therefore, the PCM/OHP BTMS demonstrates its potential as a viable hybrid BTMS.

Keywords

Acknowledgement

본 연구는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행되었습니다(NRF-2021R1A2C1006166). 또한, 정부(산업통상자원부)의 재원으로 한국산업기술진흥원의 지원을 받아 수행되었습니다(P0017120, 2023년 산업혁신인재성장지원사업).

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