博碩士論文 973207017 詳細資訊




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姓名 游家麒(Jia-chi You)  查詢紙本館藏   畢業系所 光機電工程研究所
論文名稱 凱薩格林雙反射式太陽能集光器之研究
(A Study on Solar Concentrator of Cassegrain Double-Reflector Type)
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摘要(中) 本論文討論凱薩格林式雙反射太陽能集光模組設計,主要架構是由一拋物面反射主鏡結合一非成像雙曲面反射次鏡,將太陽光匯聚到太陽能電池接收面,增加太陽能電池的使用效率。利用光學軟體建立分析模型,考慮太陽光單一波長550nm和太陽光擴散角0.267度下,找到最佳反射鏡形狀參數。而為了增加太陽能電池的使用效率及提昇容忍角度,設計與雙反射式集光模組搭配的二次光學元件。本研究共探討三種類型的二次光學元件,分別為金字塔型、方-圓型與圓錐型,其中又可細分為折射式與反射式二次光學元件,並以參數式分析進行二次光學元件的最佳化設計,並利用找出的最佳參數組合進行組裝誤差敏感性分析。最後針對雙反射式共面集光模組進行熱變形分析,探討溫度導致集光模組之光學元件產生熱變形對聚光特性的影響。
摘要(英) The present invention is a solar energy system which includes an optical assembly and a non-imaging concentrator. The optical assembly includes a primary mirror and a secondary mirror. The optical assemble solar radiation to the non-imaging concentrator where the radiation is output to a photovoltaic cell for conversion to electricity. The ray tracing software is utilized to simulate the optical characteristics of the model to effectively find the optimal mirror shapes, and solar incoming light to consider single wave 550nm and solar diffusible light 0.267 degrees。
In order to increase the efficiency of solar cells and reduce the error angle of the impact on the system, Second Optical Elements (SOE) is designed to collocate double reflective solar concentrator for the case without moving the detector. Three different types of SOE is discussed, including Pyramid type, Square-Circle type and Cone type. Parameter method is also applied with the optical simulations in order to find the best SOE design parameters, and to simulate with the best design parameters of the assemble tolerance. Finally, thermal deformation of the double reflective solar concentrator was analyzed by finite element method (FEM). The deformed mirror geometry determined from FEM was imported into ray tracing simulation to investigate the effects of temperature variations on the mirror.
關鍵字(中) ★ 集光器
★ 凱薩格林
★ 二次光學元件
關鍵字(英) ★ solar concentartor
★ cassegrain
★ second optical ele
論文目次 中文摘要 i
Abstract ii
圖目錄 vi
表目錄 xiii
致謝 iii
一、緒論 - 1 -
1.1 前言 - 1 -
1.2 文獻回顧 - 3 -
1.3 研究目的 - 5 -
1.4 章節介紹 - 5 -
二、理論介紹 - 7 -
2.1 太陽能集光器簡介 - 7 -
2.1.1 凱薩格林雙反射式集光器 - 10 -
2.1.2 菲涅爾透鏡式集光器 - 11 -
2.2 二次光學元件 - 12 -
2.3 拋物面與雙曲面的光學特性 - 12 -
2.4 太陽能集光器專有名詞介紹 - 13 -
三、雙反射式太陽能集光器設計與分析 - 15 -
3.1 雙反射式集光模組 - 15 -
3.2 初步分析 - 20 -
3.3 進階分析 - 23 -
3.4 加入二次光學元件(SOE)之光學分析 - 25 -
3.4.1 共面模組 - 32 -
3.4.2 共面模組二次光學元件設計討論 - 43 -
3.4.3 非共面模組 - 44 -
3.4.4 非共面模組之二次光學元件設計討論 - 55 -
3.4.5 電池接收面上的輻射照度 - 56 -
3.5 將焦點置於二次光學元件表面之光學分析 - 58 -
3.5.1 共面模組 - 58 -
3.5.2 調整焦點位置之共面模組二次光學元件設計的討論 - 62 -
3.5.3 非共面模組 - 63 -
3.5.4 調整焦點位置之非共面模組二次光學元件設計的討論 - 66 -
3.6 共面模組三種二次光學元件之優化設計綜合比較 - 68 -
3.7 非共面模組三種二次光學元件之優化設計綜合比較 - 71 -
3.8 結論 - 75 -
四、光機組裝誤差 - 77 -
4.1 雙反射鏡集光模組組裝誤差 - 77 -
4.1.1 共面模組的組裝誤差分析 - 77 -
4.1.2 非共面模組組裝誤差分析 - 83 -
4.2 加入二次光學元件的組裝誤差分析 - 88 -
4.2.1 共面模組加入二次光學元件的組裝誤差分析 - 88 -
4.2.2 非共面模組加入二次光學元件的組裝誤差分析 - 94 -
4.2.3 共面模組之綜合誤差 - 99 -
4.2.4 非共面模組之綜合誤差 - 100 -
4.2.5 加入二次光學元件的組裝誤差綜合比較 - 101 -
4.3 結論 - 102 -
五、雙反射式共面集光模組之熱變形分析 - 104 -
5.1 有限元素分析 - 104 -
5.2 基本假設 - 104 -
5.3 共面模組熱變形分析 - 105 -
5.4 共面模組熱變形後之光學模擬 - 112 -
5.4.1 主鏡變形 - 112 -
5.4.2 次鏡變形 - 112 -
5.4.3 主鏡與次鏡變形 - 113 -
5.6 結論 - 115 -
六、結論與未來工作 - 116 -
參考文獻 - 118 -
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指導教授 陳怡呈(Yi-cheng Chen) 審核日期 2011-7-29
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