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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 陳希立 | |
| dc.contributor.author | Yu-Chun Hung | en |
| dc.contributor.author | 洪宇均 | zh_TW |
| dc.date.accessioned | 2021-06-12T18:13:16Z | - |
| dc.date.available | 2007-10-09 | |
| dc.date.copyright | 2007-10-09 | |
| dc.date.issued | 2007 | |
| dc.date.submitted | 2007-09-19 | |
| dc.identifier.citation | 參考文獻
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/27638 | - |
| dc.description.abstract | 摘要
國立臺灣大學機械工程學研究所碩士論文 論文題目：熱電晶片應用於LED散熱之研究 指導教授：陳希立 博士 作 者：洪宇均 中華民國九十六年六月 本研究提出將熱電晶片整合於自然對流鰭片熱沈，應用於LED散熱。本文以理論分析的手法，分析此熱電自然對流散熱模組的熱傳性能。本研究首先建立一適用於此模組的熱阻分析模式，並依各細部熱阻建立其理論方程式。在此，學生將這些理論方程式編寫於EXCEL VBA中，成為一個簡便易用的分析軟體。此熱阻理論分析模式不僅可預測熱電自然對流散熱模組的熱傳性能，亦可以用來進行系統最佳化，以增強此系統的散熱性能。利用此分析軟體，本研究分析一實際案例，找出了使用熱電晶片能有效提升熱傳性能的操作範圍，及各加熱功率下的最佳操作電流。由於熱沈幾何形狀對於此系統的性能有很大的影響，本研究亦分析了各幾何參數對於此散熱模組總熱阻的影響，並找出了此案例最佳化的鰭片間距及基板厚度。 | zh_TW |
| dc.description.abstract | ABSTRACT
Investigation of LED Cooling with Thermoelectric Cooler By Yu-Chun Hong MASTER DEGREE OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING NATIONAL TAIWAN UNIVERSITY June 2007 ADVISER: Dr. Sih-Li Chen The present study proposes TEC-natural convection cooling module, which integrates a thermoelectric cooler (TEC) and a flat plate fin heat sink, to apply to LED cooling. This work theoretically investigates the performance of this module. First, we build a thermal resistance model, and then establish the correlation of each detail thermal resistance. These correlations are coded in EXCEL VBA as a tool for analysis. With the tool, a case study is done and the effective operating region, in which adapting TEC is effective to improve the overall performance, is found. The optimum operating current under every heating power is also found with the tool. Because the geometry greatly influences the thermal performance of this module, the presented study does a series of analysis for each geometry parameter. While analyzing the geometry parameters, the optimum pitch of fin and optimum thickness of base plate are obtained. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-12T18:13:16Z (GMT). No. of bitstreams: 1 ntu-96-R94522308-1.pdf: 2731133 bytes, checksum: a342885912cd263929ddce67a448fa58 (MD5) Previous issue date: 2007 | en |
| dc.description.tableofcontents | 目錄
誌謝 I 摘要 III ABSTRACT IV 目錄 V 圖目錄 VII 符號說明 IX 第一章 緒論 1 1.1 前言 1 1.2 研究動機與目的 3 1.3 文獻回顧 4 第二章 熱電致冷晶片基本原理 10 2.1 熱電效應原理 10 2.1.1 焦耳效應（Joule effect） 10 2.1.2 西貝克效應（Seebeck effect） 10 2.1.3珀爾帖效應（Peltier effect） 11 2.1.4湯木森效應（Thomson effect） 11 2.1.5熱電效應之熱力學關係 11 2.2 熱電致冷晶片原理 13 2.2.1 熱電冷卻器之熱力學關係 13 2.2.2 熱電冷卻器性能分析 15 2.3 散熱鰭片自然對流原理 17 2.3.1 自然對流原理 17 2.3.2 自然對流邊界邊方程式 17 2.3.3 垂直鰭片陣列最佳化 19 第三章 熱電自然對流散熱模組理論分析模式 26 3.1 熱電自然對流熱阻模型 26 3.1.1 熱阻基本概念 26 3.1.2 熱電自然對流熱阻分析模型 27 3.2 各細部熱阻理論模式 28 3.2.1 界面熱阻 28 3.2.2 熱電晶片冷端擴散熱阻 29 3.2.3 熱電熱阻 31 3.2.4 緊縮熱阻及擴散熱阻 31 3.2.5 基板熱阻 33 3.2.6 自然對流熱阻 33 3.3 計算流程與方法 35 第四章 結果與討論 41 4.1 熱性能分析 41 4.2 熱沈尺寸最佳化 43 4.2.1 鰭片高度 44 4.2.2 基板長度 45 4.2.3 基板寬度 45 4.2.3 基板厚度 46 4.2.4 鰭片間距最佳化 47 第五章 結論與建議 59 參考文獻 61 | |
| dc.language.iso | zh-TW | |
| dc.subject | 熱電晶片 | zh_TW |
| dc.subject | 發光二極體 | zh_TW |
| dc.subject | 致冷晶片 | zh_TW |
| dc.subject | TEC LED | en |
| dc.title | 熱電晶片應用於LED散熱之研究 | zh_TW |
| dc.title | Investigation of LED Cooling With Thermoelectric Cooler | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 96-1 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 陳輝俊,李文興,江沅晉 | |
| dc.subject.keyword | 熱電晶片,致冷晶片,發光二極體, | zh_TW |
| dc.subject.keyword | TEC LED, | en |
| dc.relation.page | 62 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2007-09-20 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
| 顯示於系所單位： | 機械工程學系 | |
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