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A Feasibility Study About Using SiO2 Nanofluid Screen Mesh Wick Heat Pipe for Cooling of High-Power LEDs
Wang, Yiwei1; Zhang, Jianxin2; Cen, Jiwen1; Jiang, Fangming1
2016-06-12
发表期刊HEAT TRANSFER ENGINEERING
卷号37期号:9页码:741-750
摘要Effective and timely heat removal from high-power light-emitting diodes (LEDs) is crucial to their performance and lifetime. The strategy of using a screen mesh wick heat pipe with SiO2 nanofluid as the working fluid for LED heat dissipation is comprehensively evaluated. An experimental system is set up to study the heat transfer performance of the heat pipe. The obtained experimental results give optimal conditions/parameters for the heat pipe: 60% charging ratio, 30 degrees incline angle, and 1wt% concentration of the nanofluid. Compared with a heat pipe using the secondary distilled water as the working fluid, the thermal resistance of the heat pipe using the SiO2 nanofluid as the working fluid is generally reduced by around 35-40% for the investigated heat load range of 1-60W. Based on an equivalent heat conductivity of the SiO2 nanofluid heat pipe derived from the experimental results, an Icepak modeling effort for the cooling system of a 60-W LED lamp is then expended. The numerical results show that the temperature of the LED lamp remains low and quite uniform across the LED chip region, indicating the technical feasibility of using this class of heat pipes for cooling of high-power LEDs.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1080/01457632.2015.1080519
研究领域[WOS]Thermodynamics ; Engineering ; Mechanics
关键词[WOS]THERMAL PERFORMANCE ; FLUID-FLOW ; RESISTANCE ; SINK
收录类别SCI
语种英语
WOS类目Thermodynamics ; Engineering, Mechanical ; Mechanics
WOS记录号WOS:000367338900001
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10932
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, CAS Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Lab Adv Energy Syst, Guangzhou 510640, Guangdong, Peoples R China
2.Tianjin Polytech Univ, Sch Elect Engn & Automat, Tianjin, Peoples R China
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Wang, Yiwei,Zhang, Jianxin,Cen, Jiwen,et al. A Feasibility Study About Using SiO2 Nanofluid Screen Mesh Wick Heat Pipe for Cooling of High-Power LEDs[J]. HEAT TRANSFER ENGINEERING,2016,37(9):741-750.
APA Wang, Yiwei,Zhang, Jianxin,Cen, Jiwen,&Jiang, Fangming.(2016).A Feasibility Study About Using SiO2 Nanofluid Screen Mesh Wick Heat Pipe for Cooling of High-Power LEDs.HEAT TRANSFER ENGINEERING,37(9),741-750.
MLA Wang, Yiwei,et al."A Feasibility Study About Using SiO2 Nanofluid Screen Mesh Wick Heat Pipe for Cooling of High-Power LEDs".HEAT TRANSFER ENGINEERING 37.9(2016):741-750.
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