Thermal Performance of an Indoor Oblong LED Lighting Prototype Incorporating Heat Pipes

被引：2
|
作者：
Lai, Chi-ming [1 ]
Chiang, Che-ming [2 ]
Ho, C. J. [3 ]
机构：
[1] Natl Cheng Kung Univ, Dept Civil Engn, Tainan 701, Taiwan
[2] Natl Cheng Kung Univ, Dept Architecture, Tainan 701, Taiwan
[3] Natl Cheng Kung Univ, Dept Mech Engn, Tainan 701, Taiwan
来源：
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING | 2009年 / 8卷 / 02期
关键词：
LED; illumination; heat pipe;
D O I：
10.3130/jaabe.8.585
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
An innovative indoor LED lighting prototype that uses pressed-flat grooved heat pipes as heat transfer channels to Conduct LED-released heat to heat-sink-fins is proposed. Natural convection inside the flow channels within the heat-sink fins serves as the main heat dissipation mechanism. In order to accommodate different illumination directions, the thermal performance of the LED lighting prototype at different inclination and rotation angles (different heat pipe performances) were experimentally investigated. The results Show that the temperature distribution or the prototypes is dependent oil Inclination angles, however, independent of rotation angles. FFT analysis reveals that dominant fluctuation Frequencies of the temperature around the central area of the prototype with different inclination angles are about 4 7 minutes.
引用
收藏
页码：585 / 592
页数：8
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