Research on the Prediction of Impact Sound Insulation to a Homogeneous Wall

Shang You Wei; Xian Feng Huang; Zhi Xiang Zhuang; Jun Xin Lan

doi:10.4028/www.scientific.net/AMM.744-746.1593

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 744-746Research on the Prediction of Impact Sound...

Research on the Prediction of Impact Sound Insulation to a Homogeneous Wall

Abstract:

In this paper, a theoretical model to evaluate impact sound transmission through a homogeneous wall is proposed. The model which is based on the Statistical Energy Analysis framework exhibits a system with room-wall-room. For the purpose to explore the mechanism of impact sound transmission through a wall, the impact sound reduction index between two rooms are predicted. Meanwhile, the variation of impact sound reduction index with the walls properties are also taken into account. The results reveal that the density, elastic modulus and thickness of a homogeneous wall have diverse effects on its impact sound insulation and can be chosen adequately to achieve ideal insulation values.It provides an approach to optimize impact sound insulating properties of the walls.

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Periodical:

Applied Mechanics and Materials (Volumes 744-746)

Pages:

1593-1596

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.744-746.1593

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Online since:

March 2015

Authors:

Shang You Wei, Xian Feng Huang*, Zhi Xiang Zhuang, Jun Xin Lan

Keywords:

Homogeneous Walls, Impact Sound Transmission, Sound Reduction Index, Statistical Energy Analysis

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