Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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A Study of the Prediction of the Temperature Reduction of Tire Sidewalls According to the Shape of the Cooling Fins

냉각핀 형상에 따른 타이어 사이드월의 표면온도 저감 효과 예측에 관한 연구

  • Received : 2015.02.27
  • Accepted : 2016.01.18
  • Published : 2016.04.01
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Abstract

The friction and deformation of a tire causes heat generation, which causes a temperature rise of the tire. This temperature rise can be a source of tire damage. The object of this study is to investigate the cooling effect of the application of a fin to the tire side to suppress the temperature rise. Eight different fin shapes were considered, and the sidewall surface temperature reduction owing to the cooling fin shape was numerically analyzed. In addition, the flow characteristics and heat transfer characteristics of the vortex of the pin rear were compared.

타이어의 반복적 변형과 노면과의 마찰은 열발생을 야기하여 타이어의 온도를 상승시킨다. 이 온도 증가는 타이어 손상을 가져오는 요인이 될 수 있다. 이 같은 온도 상승을 억제하고자 타이어 측면에 냉각핀을 적용하고, 이에 따른 냉각 효과를 규명하는 것이 본 연구의 목적이다. 이를 위하여 8개의 냉각핀 형상이 검토 되었으며, 냉각핀 형상에 따른 사이드월 표면 온도 저감 효과를 수치해석적 분석을 통해 규명하였다. 또한 핀 후류에서의 와류에 의한 유동특성과 열전달특성을 비교하였다.

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References

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