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다양한 형상의 Heat Sink 열저항 특성에 관한 실험적 연구
김종하(J. H. Kim),윤재호(J. H. Yun),권오경(O. K. Kwon),김정욱(J. W. Kim),이창식(C. S. Lee) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
This paper has been made to investigate the thermal performance characteristics for the several types of heat sinks such as extruded heat sink, aluminum foam heat sink, layered heat sink. The overall heat transfer performances for layered heat sink. extruded heat sink and aluminum foam heat sink are almost comparable to those under natural convection and forced convection. The forced convection of layered heat sink become 1.2 times as high as those of extruded heat sink, and the forced convection of extruded heat sink become 1.2 times as high as those of aluminum foam heat sink. This study shows that bar height, bar distance and number of bar for layered heat sink are important parameters, which have a serious influence on thermal performance for layered heat sinks.