http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
초음파 분무냉각을 이용한 열사이폰의 작동특성에 관한 실험적 연구
한양호(Y. H. Han),김영찬(Y. C. Kim) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
In this study, the working characteristics of the two-phase closed thermosyphon with ultrasonic spray cooling system in condenser section was experimentally investigated. The thermosyphon test tube was made of copper tube 300mm long, 11.1mm inner diameter. The experimental results were compared with the results that fluid or air cooling system were used in condenser section. The experimental results show that the total thermal resistance of thermosyphon tube becomes minimum when the ultrasonic spray cooling system was used in condenser section. A comparison is made of the two working fluid, water and ethanol. The surface temperature of the water tube in evaporator section becomes higher than the ethanol tube. Thus, the experimental result shows that ethanol is more useful as working fluid than water to increase the operational limit within this experimental conditions.
히트파이프 응축부의 초음파 분무냉각에 관한 실험적 연구
김영찬,한양호 대한설비공학회 2004 설비공학 논문집 Vol.16 No.1
In this study, the spray cooling heat transfer and working characteristics of the screen wick heat pipe with ultrasonic spray cooling system in condenser were experimentally investigated. The heat pipe was made of copper tube 300 mm long with inner diameter of 11.1 mm. The evaporator and condenser lengths of heat pipe were 40, 200 mm and the wick structure consists of two layer of 100 mesh copper screen. The experimental results show that the ultrasonic spray cooling increases the heat transfer rate on the condenser surface, and the total thermal resistance of heat pipe system decreases remarkably. A comparison is made for the two working fluids, water and ethanol. The surface temperature of the ethanol tube in evaporator section becomes higher than that of the water tube. Thus, the experimental result shows that water is more useful than ethanol as the working fluid because of increasing the operational limit within this experimental conditions.
초음파 분무냉각을 이용한 열사이폰의 작동특성에 관한 실헙적 연구
김영찬,한양호 국립7개대학공동논문집간행위원회 2002 공업기술연구 Vol.2 No.-
In this study, the working characteristics of the two-phase closed thermosyphon with ultrasonic spray cooling system in condenser section was experimentally investigated. The thermosyphon test tube was made of copper tube 300㎜ long, 11.1㎜ inner diameter. The experimental results were compared with the results that air cooling system were used in condenser section. The experimental results show that the total thermal resistance of thermosyphon tube becomes lower when the ultrasonic spray cooling system was used in condenser section. A comparison is made of the two working fluid, water and ethanol. The surface temperature of the water tube in evaporator section becomes higher than the ethanol tube. Thus, the experimental result shows that wate is more useful as working fluid than ethanol to increase the operational limit within this experimental conditions.
히트파이프·휜으로 구성된 방열 시스템의 초음파 분무냉각에 관한 실험적 연구
김영찬,한양호 국립7개대학공동논문집간행위원회 2003 공업기술연구 Vol.3 No.-
In this study, the spray cooling heat transfer of the finned heat pipe heat sink was experimentally investigated. The heat pipe was made of copper tube 300mm long, 11.1mm inner diameter and the wick structure consists of two layer of 100 mesh copper screen. The evaporator and condenser lengths of heat pipe were 40, 200 mm and a series of copper fins attached to the condenser. The experimental results show that the heat transfer in the finned heat pipe heat sink is enhanced by using the ultrasonic spray cooling and the total thermal resistance of the heat sink system decreases remarkably.