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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/32543

Title: Development of 30 Watt high-power LEDs vapor chamber-based plate
Authors: Jung-Chang Wang;Rong-Tsu Wang;Tien-Li Chang;Daw-Shang Hwang
Contributors: 國立臺灣海洋大學:輪機工程學系
Keywords: Vapor chamber;High-power LEDs;Effective thermal conductivity;Hot-spot
Date: 2010-09
Issue Date: 2012-06-18T06:00:04Z
Publisher: International Journal of Heat and Mass Transfer
Abstract: Abstract:This study utilizes experimental analysis with window program VCTM V1.0 to investigate the thermal performance of the vapor chamber and apply to 30 Watt high-power LEDs. The thermal experiment method is derived a novel empirical formula for the effective thermal conductivity of the vapor chamber and calculated its thermal performance. Results show that the maximum effective thermal conductivity is 870 W/m °C from the novel empirical formula, and comparing it with the experimental value, the calculating error is no more than ±5%. And the LED vapor chamber-based plate works out hot-spot problem of 30 Watt high-power LEDs, successfully.
Relation: 53(19-20), pp.3990–4001
URI: http://ntour.ntou.edu.tw/handle/987654321/32543
Appears in Collections:[輪機工程學系] 期刊論文

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