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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/38308

    Title: 燃燒室中火焰穩定性之研究
    Authors: 陳增源;張嘉新
    Contributors: 淡江大學航空太空工程學系
    Keywords: 燃燒室;預混火焰;穩定性;當量比;自發振盪;頻率;流速;Combustion Chamber;Premixed Flame;Stability;Equivalent Ratio;Self-Induced Oscillation;Frequency;Flow Velocity
    Date: 1993-12
    Issue Date: 2010-01-11 15:03:32 (UTC+8)
    Publisher: 交通大學
    Abstract: 此研究是探討長方形之燃燒室中,預混火 燄(空氣純甲烷)燃燒穩定性之問題。實驗結果 發現,在某些可燃混合氣之當量比下,火燄會產 生自發性之振盪,並誘導出聲波振盪。自發性 火燄振盪之範圍和混合氣之當量比及流速有很 大的關係。當混合氣之流速小於32cm/sec時,自發 振盪之現象同時發生在貧油及富油之火燄;而 當流速大於32cm/sec時,自發振盪之現象只產生在 富油之火燄。流速愈高,產生自發振盪之當量 比範圍愈小。一般而言,當量比愈大時,則火燄 振盪之主頻率愈低,但是,振盪幅度則較大;換言 之,富油火燄振盪強度較高。而在當量比固定 時,流速愈高,則火燄振盪之主頻率愈大,但振幅 則愈小。
    Relation: 中國機械工程學會第十屆學術研討會熱流組論文集=Proceedings of the Tenth National Conference of the Chinese Society of Mechanical Engineers,頁425-432
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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