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Effect of a honeycomb on the sound absorption characteristics of panel-type absorbers

机译:蜂窝对平板式吸声器吸声特性的影响

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摘要

Panel-type sound absorbers are commonly used to absorb low-frequency sounds. Recently, a new type of panel/membrane absorbers has been proposed as a next-generation sound absorber free from environmental problems. On the other hand, it is known that placing a honeycomb structure behind a porous layer can improve sound absorption performance and a similar effect can be obtained for microperforat-ed-panel absorbers. Herein, the sound absorption characteristics of a panel sound absorber with a honeycomb in its back cavity are theoretically analyzed. The numerical results are used to discuss the variations in the sound absorption characteristics due to the honeycomb as well as the mechanism for sound absorption.
机译:面板式吸声器通常用于吸收低频声音。近来,已经提出了一种新型的面板/膜吸收器,作为没有环境问题的下一代吸声器。另一方面,已知在多孔层的后面设置蜂窝结构体可以提高吸声性能,并且对于微孔板式吸声器可以获得类似的效果。在本文中,从理论上分析了在其后腔中具有蜂窝状的面板吸声器的吸声特性。数值结果用于讨论由于蜂窝引起的吸声特性的变化以及吸声的机理。

著录项

  • 来源
    《Applied Acoustics》 |2011年第12期|p.943-948|共6页
  • 作者单位

    Department of Architecture, Faculty of Environmental and Urban Engineering, Kansai University, 3-3-35, Yamate-cho. Suita-shi, Osaka 564-8680, Japan;

    Environmental Acoustics Laboratory, Graduate School of Engineering, Kobe University, Rokko, Nada, Kobe 657-8501, Japan;

    Department of Architecture and Architectural Engineering, Graduate School of Engineering, Kyoto University, C1-4-385, Kyoto Univ. Katsura, Nishikyo-ku, Kyoto 615-8540, Japan;

    Environmental Acoustics Laboratory, Graduate School of Engineering, Kobe University, Rokko, Nada, Kobe 657-8501, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    panel-type absorber; honeycomb; sound absorption; sound transmission;

    机译:平板式吸收器蜂窝;吸声声音传播;
  • 入库时间 2022-08-17 13:30:36

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