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ASTM E477-20

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Standard Test Method for Laboratory Measurements of Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers
standard by ASTM International, 07/01/2020

Category:

Description

1.1 This test method covers the laboratory testing of some of the acoustical properties of sound attenuating devices including duct liner materials, integral ducts, and in-duct absorptive straight and elbow silencers used in the ventilation systems of buildings. Procedures are described for the measurement of acoustical insertion loss, airflow generated noise, and pressure drop as a function of airflow.

Product Details

Published:
07/01/2020
Number of Pages:
16
File Size:
1 file , 280 KB
Redline File Size:
2 files , 600 KB