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그루브수 증가에 따른 알루미늄 그루브 히트파이프의 성능향상에 관한 실험적 연구
홍진관,최상곤,김대성,정원복,변윤식,영권옥 대한설비공학회 2001 설비공학 논문집 Vol.13 No.6
Aluminum/Freon22 grooved hat pipes which have 26 axial grooves in a cross-section were manufactured and tested. The performance test was conducted by varying filling ratio and tilt angle. Operation limit, thermal resistance, overall heat transfer coefficient were investigated. The experimental result was compared with previous study which conducted in the case of a heat pipe with combined wick. The experimental result shows that thermal resistance of this heat pipe is twice smaller than that of the heat pipe with combined wick and operation limit is increased about 75%, comparing with that of heat pipe with combined wick.