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BS EN 16272-1:2023

BS EN 16272-1:2023

$142.49

Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance – Intrinsic characteristics. Sound absorption under diffuse sound field conditions

Published By Publication Date Number of Pages
BSI 2023 32
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This European Standard specifies the laboratory method for measuring the sound absorption performance of railway noise barriers and related devices acting on airborne sound propagation in reverberant conditions. It covers the assessment of the intrinsic sound absorption performance of devices that can reasonably be assembled inside the testing facility described in EN ISO 354. This method is not intended for the determination of the intrinsic characteristics of sound absorption of noise barriers and related devices acting on airborne sound propagation to be installed on railways in non-reverberant conditions. The test method in EN ISO 354 referred to in this European Standard excludes devices that act as weakly damped resonators. Some devices will depart significantly from these requirements and in these cases, care is needed in interpreting the results.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
10 3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
3.2 Symbols and abbreviations
12 4 Test arrangement
16 5 Test procedure and evaluation
5.1 Test method
19 5.2 Measurement uncertainty
20 6 Test report
6.1 Expression of results
6.2 Further information
21 Annex A (informative)On the realization of a diffuse sound field
A.1 General
A.2 Additional information on the diffuseness of the sound field in a reverberation room
23 Annex B (normative)Measurement uncertainty
B.1 General
B.2 Measurement uncertainty based upon reproducibility data
B.3 Standard deviation of repeatability and reproducibility of the sound absorption coefficient
25 Annex C (normative)Test report template
C.1 Overview
26 C.2 Test object (example)
28 C.3 Test situation (example)
C.3.1 Test room and test arrangement
29 C.3.2 Test equipment and test procedures
C.3.3 Test conditions
C.4 Test results (example)
30 C.5 Measurement uncertainty (example)

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BS EN 16272-1:2023
$142.49