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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/84712

    Title: 尾流振動之於旋翼彈性葉片氣動力特性的頻率響應分析
    Other Titles: Frequency Response of the Wake Oscillation on Rotor Elastic Blade Aerodynamics
    Authors: 王怡仁
    Contributors: 淡江大學航空太空工程學系
    Keywords: 直昇機;彈性葉片;尾流;Helicopter;Elastic Blade;Wake Flow
    Date: 1998-05
    Issue Date: 2013-03-22 19:32:19 (UTC+8)
    Abstract: 本文的目的在探討一直昇機的彈性葉片與非穩態空氣動力環境耦合在一起時, 彈性葉片上的空氣動力在不同的尾流振動頻率下之變化及分析。結果顯示我們可以瞭解升力由於誘導尾流頻率和葉片拍撲頻率、升力的激發頻率、及葉片結構頻率共振, 而造成升力減少。
    The frequency response of a helicopter rotor aeroelastic system in vertical and forward flight will be studied by a three-dimensional unsteady wake model and coupled with a 4-elastic-bladed vibrating rotor. Results show that the lift was dropped for each resonant area, includes wake to blade flapping, wake to lift spike, and wake to blade structure.
    Relation: 第五屆(八十六年度)國科會工程處航空學門研究成果暨航太科技發展研討會論文集(II),頁93-96
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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