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研究生:陳瀅先
研究生(外文):Chen Ying-Hsien
論文名稱:直葉垂直軸風渦輪最大扭矩與可變設定角之分析
論文名稱(外文):The Analysis of Maximum Torque and Variable Setting Anglefor Straight-Bladed Vertical Axis Wind TurbinesThe Analysis of Maximum Torque and Variable Setting Anglefor Straight-Bladed Vertical Axis Wind TurbinesThe Analysis of Maximum Torque and Vari
指導教授:瞿嘉駿瞿嘉駿引用關係
指導教授(外文):Chu Chia-Chun
學位類別:碩士
校院名稱:南台科技大學
系所名稱:機械工程系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2011
畢業學年度:99
語文別:中文
論文頁數:138
中文關鍵詞:直葉垂直軸風渦輪轉矩分析可變設定角分析NACA翼型
外文關鍵詞:Straight-Bladed Vertical Axis Wind TurbineAnalysis of TorqueAnalysis of Variable Setting AngleNACA Airfoil
相關次數:
  • 被引用被引用:1
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根據軸與風的方向,風渦輪通常分成水平軸式與垂直軸式,目前水平軸式的發展主要是以大型化為走向,垂直軸式則是小型化為趨勢。垂直軸式風渦輪可分為阻力型與升力型,其中升力型因效率優於阻力型,因此成為發展重心。升力型的葉輪型式可再分成蛋形與直葉型,直葉型的葉輪在製作上比蛋型葉輪容易許多,所以目前的發展是以小型化的直葉型垂直軸式風渦輪為主流。
然而,直葉型垂直軸式風渦輪因為效率不佳之問題,一直無法有突破性的進展,因此本研究的目的為針對常用的NACA翼型,分析設定角於不同風速與轉速下的變化,對於扭矩與效率的影響。
本論文首先針對可變設定角之垂直軸風渦輪的中華民國專利進行分析,接著推導出單一葉片提供扭矩的數學模型,並分析於不同風速與轉速下,該葉片可提供正值扭矩的範圍,最後求得風速、最大扭矩、以及設定角的變化曲線,以作為未來直葉型垂直軸式風渦輪可變設定角之設計參考。
In general, wind turbine is divided to Horizontal type and Vertical type according to the direction of axis and wind direction. Large scale is the current of horizontal type, on the other hand, vertical type goes to small scale. Also, Vertical Axis Wind Turbine(VAWT) is divided to drag and lift type. Lift type is the main stream because of the advantage of coefficient. Moreover, lift type includes egg-shaped and straight blade. Since the manufacturing process of straight blade is easier than Egg-shaped blade, the development of trend is straight-bladed vertical axis wind turbine.
However, the disadvantage of coefficient causes the bottleneck problem of development on straight-bladed vertical axis wind turbine. The purpose of this thesis is to concentrate on most commonly used NACA airfoil and to analyze the influence of torque and coefficient by variation setting angle which is under different wind speed and rotating speed.
The thesis analyze the TW patents of variable setting angle vertical axis wind turbine, derive the mathematical model of torque for single blade, and analyze the range of positive torque value of blade. The result of wind speed, maximum torque, and the curve of setting angle could be the design data of variable setting angle straight-bladed vertical axis wind turbine.
目錄
博碩士論文授權書 ii
論文口試委員審定書 iii
摘要 iv
ABSTRACT v
致謝 vi
目錄 vii
圖目錄 ix
表目錄 xv
第一章 前言 1
1-1 研究動機 1
1-2 文獻回顧 2
1-3 研究目的 19
1-4 論文架構 19
第二章 風能設備與專利分析 21
2-1 風能設備之構造 21
2-2 中華民國專利分析 22
2-3 NACA翼型介紹 36
2-4 DesignFOIL軟體介紹 38
第三章 風渦輪空氣動力學 41
3-1 軸向與旋向誘導因子 41
3-2 葉片元素動量理論 46
3-3 直葉垂直軸風渦輪空氣動力學 50
3-4 參數設定 53
第四章 分析結果與討論 55
4-1 固定設定角分析 55
4-2 可變設定角分析 69
4-3 小結 98
第五章 結論與建議 112
5-1 結論 112
5-2 建議 113
參考文獻 114
自述 123
參考文獻
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