A novel concept to improve the performance of led panel using drilled holes

S. B. Chiang*, Chi-Chuan Wang

*Corresponding author for this work

研究成果: Conference contribution同行評審

摘要

In this study, the concept of the thermal module of LEDs cooling by use of drilled hole to entrain air flow was examined. It is found that the drilled hole does not necessarily improve the overall performance. It depends on the size of the drilled hole, the number of drilled holes, and the locations. The heat transfer coefficients are generally increased with the number of drilled holes and the diameter of the drilled hole. In this paper, the plate fin heat sink has a higher heat transfer coefficients than pin fins, but the overall performance of the LED panel having pin fin outperforms that of plate fin. This is because the pin fin provides much larger surface area. For decrease the maximum temperature of the LED panel, placement of the drilled holes along the hot region will be more effective.

原文English
主出版物標題Proceedings of the ASME Heat Transfer Division 2005
頁面813-817
頁數5
版本1
DOIs
出版狀態Published - 1 十二月 2005
事件2005 ASME International Mechanical Engineering Congress and Exposition, IMECE 2005 - Orlando, FL, United States
持續時間: 5 十一月 200511 十一月 2005

出版系列

名字American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
號碼1
376 HTD
ISSN(列印)0272-5673

Conference

Conference2005 ASME International Mechanical Engineering Congress and Exposition, IMECE 2005
國家United States
城市Orlando, FL
期間5/11/0511/11/05

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