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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/121631


    Title: 以田口方法探討結合新月形沙丘及三角片孔洞之薄膜冷卻效率
    Other Titles: Investigation of Film Cooling Performance for Barchan Dune Shaped Ramp Associated with Triangular Tab by Taguchi Method
    Authors: 吳俊由;陳增源;歐陽寬;李世鳴
    Keywords: 薄膜冷卻;新月形沙丘斜坡;三角片;田口方法
    Date: 2021-11-18
    Issue Date: 2021-11-22 12:11:01 (UTC+8)
    Abstract: 本文使用商用計算流體力學軟體模擬葉片薄膜冷卻現象,並使用田口方法尋求薄膜冷卻效率的最佳參數設計。本研究在冷卻氣體藉以噴出的孔洞上方設置一個三角形片狀障礙物,並於鄰近孔洞上游處設置一新月型沙丘斜坡,使主流與射流相互作用後能產生反向成對渦流(Anti-Kidney Vortex)以期能增進冷卻效率。結果顯示,相較於僅單獨使用三角片或上游沙丘斜坡的葉片薄膜冷卻設計,本文所提出的薄膜冷卻策略能有更好的冷卻效率。本研究所探討的參數包括斜坡高度、三角片邊長、吹風比及進氣溫度,在最佳參數設計條件下,橫向平均冷卻效率可以達到34.1%。
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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