NDLI: Cooling devices for high power LED illuminators

Content Provider	IEEE Xplore Digital Library
Author	Zhang, L. Liu Minshan Dong Qiwu
Copyright Year	2011
Description	Author affiliation: School of Chemical Engineering and Energy, Zhengzhou University, China (Liu Minshan; Dong Qiwu) \|\| School of Mechatronics Engineering, Zhengzhou Institute of Aeronautical Industry Management, China (Zhang, L.)
Abstract	It's difficult to satisfy the requirement of heat dissipation using normal heat dissipation elements when the power of LED is high, and the heat transfer coefficient is low under natural convective heat transfer. The goal of this study is to improve the thermal characteristics of high-power LED. Based on heat transfer enhancement theory and equipments, combined with numerical simulation, our own patent technologies are adopted in this proposal, such as the unconventional fin- chaotic fin and the new type efficient phase change heat transfer element. Three kinds of cooling devices are proposed, two kinds of cooling devices which are hollow disc and rectangle are studied by simulation, and cooling effects with different convection heat transfer coefficient are investigated.
Starting Page	1
Ending Page	5
File Size	1371923
Page Count	5
File Format	PDF
ISBN	9781424479511
e-ISBN	9781424479504
e-ISBN	9781424479498
DOI	10.1109/PHM.2011.5939538
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Patents Discharges ISO standards High Power lifetime component LED Trigeneration heat transfer
Content Type	Text
Resource Type	Article

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