A development of testing platforms for composite blades of stackable vertical axis wind turbine 楊超傑、賴?民
E-mail: [email protected]
ABSTRACT
We give careful consideration to energy development in Taiwan under the issues of energy shortage and environmental protection in today's world. Wind power has already become a great commercial value; it is cheap, clean and easy to be attained. However, the efficient executions of wind power and environmental protection policies have become the world's common goal. Wind turbines can be classified into two main categories, namely, horizontal axis and vertical axis wind turbines [HAWT and VAWT]. Especially for VAWT, it had no adequate engineering case to exploit and had no international standard to refer. Therefore, in according with the relevant IEC-61400 standards, it is development of clamping apparatus to test the composite blades in test platforms, and use engineering software (CAD/CAE) to support the design and experimental stage. In addition, it is effective to short the design cycle and reliability of simulated analysis. Finally, we are discussed the failure modes and test results of the SVAWT blades under different manufacturing processes to verify the proposed experimental setup methods and manufacture techniques of the SVAWT blades pass static test and fatigue test systems are performed, and established the fatigue life equation by fatigue theory can effectively prediction the life of SVAWT blades. The information of technology developed can be provided.
Keywords : Clamped apparatus、Vertical-axis wind turbines、Finite element analysis、Fatigue、Stackable Table of Contents
封面內頁 簽名頁 中文摘要 ABSTRACT 誌謝 目錄 圖目錄 表目錄 第一章 緒論 1.1研究背景與動機 1.2風力發電機 1.3垂直軸 式風力發電機（VAWT） 1.4堆疊型垂直軸式風力發電機結構設計要求 1.5複合材料 1.6研究目的 1.7研究流程 第二章 文獻 回顧與基本理論 2.1高分子基複合材料的界面接合強度 2.2靜力測試 2.3暫態動力學理論 2.4扭轉測試 2.4.1圓軸應力的初步概 念[32] 2.4.2圓軸扭轉時的變形行為[32] 2.4.3圓軸中的剪應變[32] 2.5疲勞理論 2.5.1疲勞壽命估算方法 第三章 測試平台與夾 治具設計 3.1夾治具的功能 3.2夾治具設計考慮因素 3.2.1夾緊裝置設計的要求[41] 3.3複材之SVAWT葉片尺寸說明 3.4靜態 測試平台設計 3.5 SVAWT葉片之靜態實驗夾治具 3.6 SVAWT葉片之扭力實驗夾治具 3.7 SVAWT葉片之疲勞實驗機構設計 3.7.1銜接機構 3.7.2飛盤 3.7.3聯軸器 第四章 SVAWT葉片結構靜態分析 4.1有限元素分析法 4.2 SVAWT葉片結構靜態分析 4.2.1 SVAWT葉片結構靜態分析規範 4.3 SVAWT葉片模型元素選擇及邊界條件設定 4.4 SVAWT葉片建模收斂性探討 4.5 SVAWT葉片靜態分析與結果 4.5.1小S型葉面靜態分析結果 4.5.2大S型葉面靜態分析結果 4.5.3 SVAWT葉片受扭力的靜態分 析結果 第五章 三明治結構之暫態動力學分析 5.1衝擊模型之建立方法 5.1.1暫態模型之接觸分析設定 5.1.2 SOLID46之複材 疊層設定 5.1.3三明治結構建模收斂性探討 5.1.4複合材料之三明治結構暫態分析結果 第六章 量測實驗 6.1拉伸試驗 6.1.1拉 伸試片強度 6.2葉片靜態實驗 6.2.1小S型、大S型葉面均佈載重實驗 6.2.2單層SVAWT葉片之扭力實驗 6.3複材之三明治結構 動態衝擊實驗 6.3.1複合材料之三明治結構層板製作 6.3.2三明治層板之衝擊實驗 6.4 SVAWT葉片動態扭力疲勞實驗 第七章 結果與討論 7.1小S型葉面的靜態分析理論與實驗結果之驗證 7.1.1小S型葉面破壞狀況 7.2大S型葉面的靜態分析理論與實驗 結果之驗證 7.2.1大S型葉面破壞狀況 7.3 SVAWT葉片的扭轉分析理論與實驗結果之驗證 7.3.1單層SVAWT葉片承受扭轉破 壞狀況 7.4三明治結構板之暫態分析理論與實驗結果之驗證 7.5 SVAWT葉片壽命公式之建立 7.5.1 扭力疲勞實驗之SVAWT 葉片壽命預測 第八章 結論 參考文獻
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