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系統識別號 U0026-0808201200473600
論文名稱(中文) 垂直軸風力機性能與啟動扭力提升之實驗研究
論文名稱(英文) Improvement on Performance and Starting Torque of a Vertical-Axis Wind Turbine
校院名稱 成功大學
系所名稱(中) 航空太空工程學系碩博士班
系所名稱(英) Department of Aeronautics & Astronautics
學年度 100
學期 2
出版年 101
研究生(中文) 梁士毅
研究生(英文) Shih-Yi Liang
學號 p46994389
學位類別 碩士
語文別 中文
論文頁數 118頁
口試委員 指導教授-苗君易
口試委員-胡志忠
口試委員-呂宗行
口試委員-鄭仁杰
中文關鍵字 垂直軸風力機  風洞實驗  可調適俯仰角  雙多流管 
英文關鍵字 VAWT  wind tunnel  pitch control  double-multiple streamtube 
學科別分類
中文摘要 本研究以風洞實驗與數值計算的方式研究垂直軸風力機的特性,而本研究可根據兩個垂直軸風力發電機分成啟動能力與功率輸出兩部分:第一代風力機葉片由三片NACA0015的葉片組成,其弦長0.09公尺,葉片高度0.54公尺,直徑為0.9公尺,透過第一代風力機的可調適俯仰角機構,比較數種不同的俯仰角控制模式對於垂直軸風力機啟動能力的提升,並且透過數值方法 – 雙多流管(DMS)與實驗結果驗證。經過實驗與數值驗證,發現可調適俯仰角能有效消除垂直軸風力機啟動時的負扭力區,成功幫助垂直軸風力機自行啟動。
第二代風力機是針對第一代風力機缺點作改進,是由六片LS(1)-0417葉片組成,弦長0.15公尺,葉片高度1.2公尺,風力機直徑1.2公尺。第二代風力機是依據第一代風力機俯仰角控制的經驗,在紊流場下利用改變葉片俯仰角比較風力機輸出功率的改變。實驗結果顯示,改變葉片俯仰角成功的在不同風速下提升垂直軸風力機30% ~ 50%的功率。
英文摘要 This work is aimed to study the performance and starting torque of the VAWT by wind tunnel experiment and a numerical method, double-multiple streamtube method. Experiments were carried out to measure the starting torque of the first generation VAWT with pitch control. The first generation VAWT consist of three straight blades of NACA0015, each of which is 90 mm in chord length, 0.54 m in height and 0.9 m in diameter. The result indicates that the starting torque stays positive in any azimuth angle and this result was also successfully predicted by the double-multiple streamtube method. Thus, the VAWT can self-start by means of pitch control.

The latest generation VAWT is to improve the disadvantages of the first generation VAWT. It is consist of six straight blades of LS(1)-0417 in cross section, each of which is 0.15 m in chord length, 1.2 m in height and 1.2m in diameter. According to the result of this VAWT, the performance of the VAWT has made a great improvement by pitch control working in turbulence flow. The VAWT gains 30% to 50% power improvement by means of pitch control.
論文目次 中文摘要..I
Abstract..II
誌謝..III
目錄..IV
表目錄..VIII
圖目錄..IX
符號說明..XIV
第一章 序論...1
1-1前言..1
1-2研究動機與目的..2
1-3文獻回顧..3
第二章 實驗設備..10
2-1風洞設備..10
2-2垂直軸風力機..10
2-3量測設備..12
2-3-1風速計..12
2-3-2資料擷取系統..12
2-3-3扭力感測器..12
2-3-4步進馬達與驅動器..13
2-3-5高功率電子負載..13
2-3-6熱線測速儀..14
2-3-7光學感測器..14
第三章 實驗方法與架設..16
3-1座標系統..16
3-2功率係數..16
3-3雷諾數..16
3-4疏密比..16
3-5尖端速度比..17
3-6紊流強度..17
3-7紊流積分尺度..17
3-8雙多流管模型(Double-Multiple Streamtube Model)..19
3-9風力機實驗平台測試..23
3-10可調適俯仰角風力機之設計..23
3-11第一代風力機扭力量測..24
3-12紊流場網格架設..25
3-13第二代風力機功率量測..25
3-14不確定度分析..26
3-15 自行啟動定義..27
第四章 結果與討論..28
第一代風力機..28
4-1啟動扭力實驗..28
4-2俯仰角控制驗證..28
4-2-1雙多流管模型..28
4-2-2第一代風力機啟動扭力於實驗平台測試..29
4-3.建築研究所測試..33
4-3-1固定式俯仰角控制..33
4-3-2可調適俯仰角控制..36
4-4第一代風力機俯仰角控制輸出功率預測..42
4-5第二代風力機..44
4-6第二代風力機功率量測..46
4-6-1均勻流場..46
4-6-2紊流場..47
4-6-3第二代風力機功率量測..49
4-6-4風機周圍流場量測..52
第五章 結論與建議..55
5-1結論..55
5-1-1第一代風力機啟動扭力測試..55
a固定式俯仰角..55
b可調適俯仰角..55
5-1-2第二代風力機功率測試..56
a均勻流場與紊流場..56
b功率量測..56
c風機周圍流場量測..57
5-2未來建議..57
參考文獻..60

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