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研究生:張崇偉
研究生(外文):Chang, Cheng-Wai
論文名稱:垂直軸式風力發電機葉片氣動力特性之實驗研究
論文名稱(外文):The Experimental Study of Aerodynamic Characteristics of Vertical Axis Wind Turbine Blade
指導教授:賴正權苗志銘苗志銘引用關係
指導教授(外文):Lai, Cheng-ChyuanMiao, Jr-Ming
口試委員:戴昌賢劉國忠覃宏科
口試日期:2011-05-18
學位類別:碩士
校院名稱:國防大學理工學院
系所名稱:機械工程碩士班
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:77
中文關鍵詞:垂直軸式風力機達流斯風力機功率係數尖端速度比疏密比
外文關鍵詞:Vertical Axis Wind Turbine (VAWT)Darrieus-type Wind TurbinePower CoefficientTip Speed RatioSolidity
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本論文主要是利用風洞實驗探討垂直軸式風力機葉片之氣動力特性。在氣動力參數量測方面,藉由扭力計量測風力機的轉矩及轉速,進行分析以尋求葉片翼型對風機性能的影響參數。
實驗模型採達流斯(Darrieus)直葉式垂直軸風力機構型,以NACA0022、NACA6404及NACA6422三種葉片在開放式風洞進行實驗,探討葉片翼型在不同厚度、彎度、數量及裝置角度條件下對風機性能之影響。
實驗結果顯示,NACA6422翼型較NACA6404翼型平均轉速提高約42%。而在加掛發電機驗證下,NACA6422翼型較NACA0022翼型平均輸出功率高約10%。故非對稱厚翼較對稱厚翼及非對稱薄翼更適合運用在垂直軸式風力機。本研究結果可提供垂直軸式風力機葉片設計選用之參考。

The experimental study of aerodynamic characteristics of vertical axis wind turbine (VAWT) blades has been conducted in the CCIT suction-type low speed wind tunnel. Torque and rotation speed were measured by using torque meter to analyze the effects of blade-section shape on the performance of wind turbine.
The test model of experiments in the research was Darrieus-type straight-bladed VAWT. Three shapes of blade-section, NACA0022, NACA6404, NACA6422 were taken in this research. Effects of thickness and camber of blade-section, blade numbers, and blade setting angles on the performance of VAWT have been analyzed in detail.
The results show that NACA6422 blade-section has rotation speed of 42% higher than that of NACA0022. NACA6422 also shows that about 10% higher output power than that of NACA0022. Therefore, in general blades with anti-symmetric and thick blade-section are more suitable for applying to VAWTs. All results of this study can be used in future VAWT blade optimization design.

誌謝 ii
摘要 iii
ABSTRACT iv
目錄 v
表目錄 viii
圖目錄 ix
符號說明 xiii
1.前言 1
1.1研究動機 1
1.2研究目的 2
1.3文獻回顧 6
1.4研究方法 8
2.風力機之原理、架構與特性 9
2.1風能運用及發展 9
2.2國內外發展現況 9
2.3風力機發電原理 11
2.4風力機種類及特性 12
2.4.1垂直軸式風力機 12
2.4.2水平軸式風力機 15
2.5垂直軸式風機葉片氣動力特性 16
3.實驗設備與模型 20
3.1 實驗設備 20
3.1.1 垂直軸風力機模型 20
3.1.2 開放式低速風洞 25
3.1.3 皮托管 27
3.1.4 數據擷取系統 27
3.1.5 扭力感測器 28
3.2 實驗設備架設與操作步驟 29
3.2.1設備架設 29
3.2.2操作步驟 29
3.3 實驗設備校驗 31
3.3.1 風洞測試區流場均勻度量測 31
3.3.2 風洞測試區阻塞率 33
3.4 實驗流程規劃 33
4.實驗結果與討論 35
4.1實驗結果 35
4.1.1風力機葉片厚薄效應 35
4.1.2風力機葉片數效應 38
4.1.3旋轉軸固定方式比較 44
4.1.4風力機固定位置效應 46
4.1.5風力機葉片重量效應 49
4.1.6葉片裝置角度效應 51
4.1.7對稱翼與非對稱翼比較 54
4.2 文獻驗證與討論 56
4.2.1風力機組加掛發電機驗證 56
4.2.2文獻驗證 59
5. 結論與建議 60
5.1 結論 60
5.2 建議 61
參考文獻 62

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