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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/38305

    Title: 火燄抑止/驅動聲波場之研究
    Authors: 陳增源;林慕志
    Contributors: 淡江大學航空太空工程學系
    Keywords: 火焰抑止;驅動聲波場;當量比;壓力振盪;燃燒不穩定;火焰輻射振盪;振盪燃燒;Flame Suppression;Driving Sound Wave Field;Equivalent Ratio;Pressure Oscillation;Combustion Instability;Flame Radiation Oscillation;Oscillation Combustion
    Date: 1994-03
    Issue Date: 2010-01-11 15:03:22 (UTC+8)
    Abstract: 本研究是探討預混火燄在外在聲波場之影 響下,火燄抑止/驅動聲波場之特性,藉以了解燃 燒不穩定之問題。實驗結果顯示,低當量比之 貧油火燄或較高當量比之富油火燄趨向於驅動 聲波場之壓力振盪;並且不論火燄結構為何,低流速之混合氣有助於燃燒不穩定之產生;同時 在外在聲波場頻率愈高時,則火燄驅動聲波場 之趨勢愈強。實驗結果同時也顯示,改變壓力 振輻並不會改變火燄驅動或抑止聲波場之趨勢。但是,壓力振盪之振輻愈大,則所誘導出之火 燄輻射振盪會相對增加;這表示壓力振盪或火 燄輻射振盪愈強,則火燄驅動/抑止燃燒不穩定 的效應愈大。至於改變火燄相對於聲波場的位 置時,當火燄位於聲波場之壓力節點時較容易 驅動聲波場,也就是燃燒不穩定較容易產生。
    Relation: 中華民國第四屆燃燒科技應用研討會論文集=Proceedings of the Fourth National Conference on Combustion Science and; Technology,頁54-58
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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