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    Please use this identifier to cite or link to this item: http://ccur.lib.ccu.edu.tw/handle/A095B0000Q/107


    Title: 自發性熱聲引擎之聲轉熱動態分析;Dynamic Thermal Analysis of Self-excited Thermoacoustic Engine
    Authors: 蔡馥宇;TSAI, FU-YU
    Contributors: 機械工程系研究所
    Keywords: 多孔性材料;自發性熱聲引擎;頻率響應;porous material;self-excited thermoacoustic engine;frequency response
    Date: 2018
    Issue Date: 2019-05-23 12:52:33 (UTC+8)
    Publisher: 機械工程系研究所
    Abstract: 本論文主要是利用數值模擬,引入一個迴授系統的觀念來設計自發性的熱聲引擎。熱轉聲跟載具的頻率,可以藉由管長與載具的性格來推導出來;但多孔性材料的頻率響應卻無法得知,因此利用數值模擬軟體,來研究多孔性材料聲轉熱的頻率響應,得知頻率響應後畫出系統的波德圖,就能知道熱聲引擎的最佳工作頻率來進行設計產生不穩定,也能用來判斷所設計的熱聲引擎是否有效率。
    In this thesis, we use numerical simulation and introduce a feedback system to design a self-excited thermoacoustic engine. The frequency of thermal transfer and carrier can be deduced from the character of tube length and carrier. However, the frequency response of porous material can not be known.Therefore, the numerical simulation software is used to study the frequency of acoustic heat transfer Responding to the knowledge of the Bode plot of the system after the frequency response shows that the best working frequency of the thermoacoustic engine is known to make the design unstable, it can also be used to judge whether the designed thermoacoustic engine is efficient or not.
    Appears in Collections:[機械工程學系] 學位論文

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