Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A Study on the Heat Sink with internal structure using Peltier Module in the Forced Convection

강제대류에서 펠티에 소자를 이용한 내부터널 구조를 가지는 히트싱크에 관한 연구

  • Lee, Min (Graduate School of Mechanical Engineering, Pukyong National University) ;
  • Kim, Tae-Wan (Dept. of Mechanical Engineering, Pukyong National University)
  • 이민 (부경대학교 대학원 기계공학과) ;
  • 김태완 (부경대학교 기계공학과)
  • Received : 2014.03.03
  • Accepted : 2014.06.12
  • Published : 2014.06.30
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Abstract

The heat generated by electronic devices can result in performance degradation. Therefore, a heat sink has been used to release the operating heat into the air outside. This study addressed a methodology for a heat sink with an inner tunnel. Under forced convection conditions, the heat transfer characteristics were different so the cooling and heating performances were studied for the heat sink with an inner tunnel. This was evaluated by performing the experimental test examining the heat transfer characteristics related to the variance in time and temperature distribution. In the cooling experiment, the temperature of the A-shape was lower than that of the B-shape, when the voltage was 10 V. These experimental results indicate the optimal cooling effect. In a heating experiment, the temperature of the A-shape was higher than that of the B-shape, when the voltage was 13 V. The experimental results showed that the temperature and efficiency of the A-shape were higher than those of the B-shape.

전자 장비에서 발생하는 열은 장비의 성능을 저하시킨다. 이러한 장비의 열을 외부로 방출하기 위한 방법으로 히트싱크가 사용된다. 본 연구에서는 내부터널의 형상을 가지는 히트싱크에 대한 냉각 및 히팅성능을 강제대류 상태에서 열전달 특성에 대하여 고찰하였다. 또한, 시간에 따른 히트싱크의 열전달 특성 및 온도분포의 변화에 따른 실험을 수행하였다. 냉각실험에서 전압이 10V일 때, A형상이 B형상 보다 온도가 낮게 나타났고, 가장 좋은 냉각효과를 나타내었다. 히팅실험에서 전압이 13V일 때, 온도가 A형상이 B형상 보다 높게 나타났고, A형상이 효율이 더 좋은 것으로 판단된다.

Keywords

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