| 研究生: |
歐亦泰 Ou, I-Tai |
|---|---|
| 論文名稱: |
振翅翼翅膀結構對升力之影響 The Influence of Wing Structure Strength of Ornithopter on Lifting Force |
| 指導教授: |
楊文彬
Young, Wen-Bin |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 航空太空工程學系 Department of Aeronautics & Astronautics |
| 論文出版年: | 2007 |
| 畢業學年度: | 95 |
| 語文別: | 中文 |
| 論文頁數: | 69 |
| 中文關鍵詞: | 拍撲翼 、翅膀結構 、彈性翼 、振翅翼 、撲翼機 |
| 外文關鍵詞: | Wing structure strength, Flexible wing, Membrane wing, Ornithopter, Flapping wing |
| 相關次數: | 點閱:95 下載:2 |
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現今大型的飛行載具多半以定翼機與旋翼機為主,但是對於微型飛行器而言,就需要考慮其低雷諾數下的空氣動力特性,因此拍撲翼飛機的研究就顯的格外重要。本論文主要在探討拍撲翼翅膀的結構勁度值對於升力大小的影響,分別改變翅膀尾部方向以及翼展方向骨架的碳纖維疊層數目,以達到改變其翅膀骨架勁度值的目的。因為在不同的勁度值配對之下,其拍動時翅膀的變形方式、變形量的大小也會有所不同,因此本文在找出何種勁度值的組合可以在不同風速、不同攻角、不同的拍動頻率之下得到最大的升力數值。
Nowadays, many aerial vehicle are designed with a fixed or rotating wing. In the design of a micro aerial vehicle, the characteristic of low Reynold number airflow on the lifting force is a crucial factor. This is why the study for an ornithopter is so important. In this paper, we investigate the influence of wing structure strength on the lifting force. Different numbers of pre-preg carbon fibers are used to fabricate wing structure in order to change the rigidity of the wing structure. Flapping wings with different combination of tail-direction stiffness and span-direction stiffness are built in order to study the effect of wing structure on the lifting force.
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