ESDU 82002:2007

$62.40

Reduction of Sound in Ventilation and Similar Air Distribution Systems

Published By	Publication Date	Number of Pages
ESDU	2007-03	28

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Category: ESDU

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Description

ESDU 82002 provides a means of estimating the attenuation of sound in lined plenum chambers and ducts, and through silencers of the types used in ventilation and air-conditioning systems. Data are provided in graphical or tabular form for the estimation of typical silencer insertion loss, airflow generated noise and pressure loss. Both rectangular splitter silencers and cylindrical silencers are considered. The data may be used in the initial design of a system or to investigate the appropriate remedial action for an installed air distribution system that is found to be too noisy. The location of silencers in the duct system is considered, and an example is given to illustrate the use of the data provided in the selection and sizing of a silencer for a particular application.

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