반도체디스플레이기술학회지 (Journal of the Semiconductor & Display Technology)

한국반도체디스플레이기술학회 (The Korean Society Of Semiconductor & Display Technology)
권호 표지

전기자동차 배터리 팩 형상이 배터리 셀 주위의 강제대류에 미치는 영향에 대한 수치해석

A Numerical Study on the Effect of Battery-pack Shape of Electric Vehicle on the Forced Convection Around Battery Cells

  • 김교현 (서울과학기술대학교 기계자동차공학과) ;
  • 김태완 (서울과학기술대학교 기계자동차공학과) ;
  • 우만경 (서울과학기술대학교 기계자동차공학과) ;
  • 전병진 (연세대학교 의과대학, 심장융합영상연구센터) ;
  • 최형권 (서울과학기술대학교 기계자동차공학과)
  • Kim, Kyo Hyeon (Dept. of Mechanical & Automotive Engineering, Seoul National University of Science and Technology) ;
  • Kim, Tae Wan (Dept. of Mechanical & Automotive Engineering, Seoul National University of Science and Technology) ;
  • Woo, Man Gyeong (Dept. of Mechanical & Automotive Engineering, Seoul National University of Science and Technology) ;
  • Jeon, Byoung Jin (Integrative Cardiovascular Imaging Research Center, Yonsei Cardiovascular Center, College of Medicine, Yonsei University) ;
  • Choi, Hyoung Gwon (Dept. of Mechanical & Automotive Engineering, Seoul National University of Science and Technology)
  • 투고 : 2017.02.16
  • 심사 : 2017.03.24
  • 발행 : 2017.03.31
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초록

In this paper, the effect of battery-package shape of electric vehicle on the forced convection around a group of battery cells has been numerically investigated. Simulations for the two package shapes with straight/curved ducts have been conducted to examine the two design factors; the maximum temperature and the temperature deviation of a group of cells which influence the cell durability. The simulation of the conjugate heat transfer has been simplified by employing an equivalent thermal conductivity of cell that consists of various materials. It has been found that the maximum temperature and the temperature deviation of curved duct were lower than those of straight duct. Velocity fields have also been examined to describe the temperature distribution of a group of cells and the position of maximum temperature was found to be related to the dead zone of flow field.

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참고문헌

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