English  |  正體中文  |  简体中文  |  全文筆數/總筆數 : 49064/83170 (59%)
造訪人次 : 6961721      線上人數 : 43
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library & TKU Library IR team.
搜尋範圍 查詢小技巧:
  • 您可在西文檢索詞彙前後加上"雙引號",以獲取較精準的檢索結果
  • 若欲以作者姓名搜尋,建議至進階搜尋限定作者欄位,可獲得較完整資料
  • 進階搜尋
    請使用永久網址來引用或連結此文件: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/97181


    題名: A Study of the Aerodynamics of Butterfly-type Flapping Wing
    作者: Niu, Yang-Yao;Huang, Jau Ting;Chang, Ya-Han;Chang, Ya-Han
    貢獻者: 淡江大學航空太空工程學系
    關鍵詞: Aerodynamics;Flapping Wing;CFD;Butterfly
    日期: 2013-06-03
    上傳時間: 2014-03-18
    出版者: The Hong Kong University of Science and Technology
    摘要: This study aimed at numerical simulation of the flow fields induced by a swallowtail butterfly based on the commercial software. Parameters such as the flapping frequency, the angle of attack, the wing shape, and the swallowtail effects on the aerodynamics were explored. The simulations show that the lift increases with the angle of attack first but decreases after angle of attack of 40˚ as a swallowtail butterfly-type wing is in gliding. However, the drag is shown to increase monotonically. Consequently, the lift-drag ratio has its maximum when the angle of attack is 10˚. The flapping flight has similar variations in the average lift, the drag and the lift-drag ratio of the gliding flight but the magnitudes increase with the increased flapping frequency. Through the 3D flow visualization, it was also found that the swallowtail can enhance the circulations around the trail during the downstroke when the flapping frequency is higher, regardless of the angle of attack. It is believed that the tail can enhance the flight stability of the Swallowtail butterfly.
    關聯: The 4th Asian Symposium on Computational Heat Transfer and Fluid Flow 2013
    顯示於類別:[航空太空工程學系暨研究所] 會議論文

    文件中的檔案:

    檔案 描述 大小格式瀏覽次數
    ASCHT0267-T01-1-A.pdf510KbAdobe PDF436檢視/開啟

    在機構典藏中所有的資料項目都受到原著作權保護.

    TAIR相關文章

    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library & TKU Library IR teams. Copyright ©   - 回饋