Volume 31 Issue 6
Mar.  2024
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WANG Xuwen, ZHENG Yiran, CHENG Wei, WANG Bing. Effect of Cavity Volume Porosity on Sound Insulation Performance of Acoustic Material[J]. Development and Application of Materials, 2016, 31(6): 6-11. DOI: 10.19515/j.cnki.1003-1545.2016.06.002
Citation: WANG Xuwen, ZHENG Yiran, CHENG Wei, WANG Bing. Effect of Cavity Volume Porosity on Sound Insulation Performance of Acoustic Material[J]. Development and Application of Materials, 2016, 31(6): 6-11. DOI: 10.19515/j.cnki.1003-1545.2016.06.002
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Effect of Cavity Volume Porosity on Sound Insulation Performance of Acoustic Material

  • 1. Luoyang Ship Material Research Institute, Luoyang 471023, China;

  • 2. School of Material Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

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  • Received Date: June 11, 2016
  • Available Online: March 29, 2024
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    • Abstract
  • Effect of the cavity volume porosity on sound insulation performance of acoustic material was researched. The results showed that when the spherical cavity sample and the truncated cone sample were of the same cavity volume,the decrease amplitude of the sound insulation performance in the spherical cavity sample was lower than that of the truncated cone one. The sound insulation performance could be improved by applying higher cavity volume porosity under low hydraulic-pressure for the spherical cavity; for the high water pressure,the acoustic material with a 19. 92% cavity volume porosity performed better in sound insulation.
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