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    Title: Free Wake Analysis with a Simplified Far Wake for Hovering Rotors
    Other Titles: 直昇機滯空時之自由尾流場分析
    Authors: 陳慶祥;Chen, Ching-shung
    Contributors: 淡江大學航空太空工程學系
    Keywords: 旋翼機;自由尾流場;滯空;Rotorcraft;Free Wake;Hover
    Date: 1997-09
    Issue Date: 2013-03-20 16:19:49 (UTC+8)
    Publisher: 臺南市:中國航空太空學會
    Abstract: 本文利用數值方法來計算直昇機滯空時主旋翼的性能(升力,阻力)及其尾流形狀,此一數值方法結合一組軸對稱,不可壓縮Navier-Stokes方程式的計算和一個升力面的計算方法。升力面方法是用來計算主旋翼葉片上的環流強度分佈,此一環流分佈輸入到Navier-Stokes的計算程式,算出此一環流分佈下的尾流形狀,此一尾流形狀再輸入到升力面的程式,算出此一尾流形狀下的葉片環流分佈,重覆執行此一程序直到環流分佈與尾流形狀都收斂爲止。遠場尾流則是由一半無限延伸的環流圓柱來表示,以節省計算時間。
    Relation: 中國航空太空學會學刊=Transactions of the Aeronautical and Astronautical Society of the Republic of China 29(3),頁251-258
    Appears in Collections:[航空太空工程學系暨研究所] 期刊論文

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