The use of damping to reduce the contribution of flanking paths to sound transmission in buildings

Feng Yan; Robin Wilson; Peter Rutherford; Robert J. M. Craik

doi:10.3397/1/376360

The use of damping to reduce the contribution of flanking paths to sound transmission in buildings

Feng Yan, Robin Wilson, Peter Rutherford, Robert J. M. Craik

School of Energy, Geoscience, Infrastructure and Society

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The importance of flanking paths to sound transmission in buildings has been studied recently. Damping treatments make it possible to increase the internal losses in structures and provide an opportunity to enhance the attenuation of long transmission paths. A number of numerical comparisons have been made to demonstrate the effectiveness of a global increase in structural damping of nine different physical systems using both bending only and three-wave models. Statistical energy analysis (SEA) has been adopted as the analytical framework. The results show that, by applying a damping treatment, the contribution of flanking paths to sound transmission can be reduced and sound insulation improved.

Original language	English
Pages (from-to)	64-74
Number of pages	11
Journal	Noise Control Engineering Journal
Volume	64
Issue number	1
DOIs	https://doi.org/10.3397/1/376360
Publication status	Published - 1 Jan 2016

Keywords

STATISTICAL ENERGY ANALYSIS
PLATE SYSTEMS
SEA
UNCERTAINTY

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abstract = "The importance of flanking paths to sound transmission in buildings has been studied recently. Damping treatments make it possible to increase the internal losses in structures and provide an opportunity to enhance the attenuation of long transmission paths. A number of numerical comparisons have been made to demonstrate the effectiveness of a global increase in structural damping of nine different physical systems using both bending only and three-wave models. Statistical energy analysis (SEA) has been adopted as the analytical framework. The results show that, by applying a damping treatment, the contribution of flanking paths to sound transmission can be reduced and sound insulation improved.",

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AB - The importance of flanking paths to sound transmission in buildings has been studied recently. Damping treatments make it possible to increase the internal losses in structures and provide an opportunity to enhance the attenuation of long transmission paths. A number of numerical comparisons have been made to demonstrate the effectiveness of a global increase in structural damping of nine different physical systems using both bending only and three-wave models. Statistical energy analysis (SEA) has been adopted as the analytical framework. The results show that, by applying a damping treatment, the contribution of flanking paths to sound transmission can be reduced and sound insulation improved.

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The use of damping to reduce the contribution of flanking paths to sound transmission in buildings

Abstract

Keywords

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