淡江大學機構典藏:Item 987654321/115957

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    题名: Design of acoustic foam wedge panels by finite element frequency domain acoustical analysis
    作者: Huoy-Shyi Tsay;Fung-Huei Yeh
    关键词: acoustic foam;wedge panel;sound absorption;finite element method;frequency domain
    日期: 2019-03-26
    上传时间: 2019-03-14 12:10:13 (UTC+8)
    出版者: UK SAGE
    摘要: Acoustic foam wedge panels provide good sound absorption qualities in the mid and high frequency ranges. In this study, a finite element frequency domain acoustical analysis is used for analysis. Such a numerical method is more efficient than the earlier studies by saving the calculation time on the elements of the incident acoustic field. During the design of a wedge panel, the cross-sectional width and the area of one section of the wedge panel are kept the same throughout the study. By varying the wedge angle, the maximum sound absorption capability of the wedge foam can be found. It is concluded that in the interested frequency regions, 100-4000 and 2000-4000 Hz, the wedge foam with wedge angle of 31o has the excellent sound absorption capability.
    關聯: Journal of Cellular Plastics 55(3), p.283-295
    DOI: 10.1177/0021955X19837499
    显示于类别:[機械與機電工程學系暨研究所] 期刊論文

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