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題 名 | Experimental Study for Muffler Components with Flow=具有流速之消音器元件實驗研究 |
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作 者 | 王昭男; 謝志忠; | 書刊名 | 國立臺灣大學工程學刊 |
卷 期 | 78 2000.02[民89.02] |
頁 次 | 頁67-74 |
分類號 | 334.5 |
關鍵詞 | 聲音; 消音器; 平均流; Acoustics; Muffler; Mean flow; |
語 文 | 英文(English) |
中文摘要 | 本研究係以實驗的方式,進行具有流速之消音器性能分析。以往大 部分之研究皆著重於理論之分析與推導,為了驗證理論分析之可靠性,在本 研究中以實驗量測消音器在有╱無流速下之傳輸損失,並與平面波理論之結 果進行比較與驗證。文中將單膨脹管、共鳴型消音器與管塞型消音器等各種 消音基本元件皆列入考慮,雖然由於紊流之作用在實驗中形成些許不確定因 素,但整體而言,在低頻區域實驗結果與平面波理論之分析大致是吻合的。 |
英文摘要 | An experimental study for mufflers with mean flow is performed in this work. In reviewing the past studies, most of the researches focused on the theoretical analysis for the performance of mufflers. The purpose of this study is to establish an experiment to measure the transmission loss of mufflers with/without mean flow and also compare to the results of plane wave theory. The simple expansion chamber, concentric resonator, and plug muffler are all taken into consideration. Although the turbulence induced by the mean flow gave some uncertainties in the experimental measurements, the overall results seem to be good in comparing the results of experiment and plane wave theory analysis. |
本系統中英文摘要資訊取自各篇刊載內容。