Scope
EN 16185-2
Railway Brake Disc Acoustic Emissions Testing
This test method evaluates the acoustic emissions generated by railway brake disc and pad/block interactions under controlled conditions. It measures noise characteristics produced during braking events to assess the potential for noise disturbance in railway operations. The test is critical for railway operators and brake component manufacturers seeking to comply with noise regulations and ensure passenger comfort. Accreditation is essential to provide independent, standardized verification that brake systems meet acoustic performance requirements across European rail networks.
What it measures
- Sound pressure levels during brake pad-disc contact
- Frequency spectrum of brake-induced noise
- Peak noise emissions under defined braking scenarios
- Acoustic performance consistency across brake cycles
- Compliance with European noise limits
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DIN EN 16185-1
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BS EN 16185-1
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NF EN 16185-1
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UNI EN 16185-1
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UNE EN 16185-1
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NEN EN 16185-1
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DIN EN 16834
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BS EN 16834
🇫🇷
NF EN 16834
🇮🇹
UNI EN 16834
🇪🇸
UNE EN 16834
🇳🇱
NEN EN 16834
1,516
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(HSG 248) – 2021
APP 7 based on HSG 248
(PCM) based on HSG 248
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APP 15 based on HSG 248
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AEC 1 based on HSG 248
(PCM) based on HSG 248
AEC 6 based on HSG 248
Airtech Analysis
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(HSG 248) – 2021
(PCM) based on HSG 248
staining based on HSG 248
(HSG 264, 2012)
Appendix 5 of HSG 227 (2004))
BS ISO 18283:2022
ASTM D2234 (location E)
ASTM D2013 (location B)
BS ISO 5074:2015; and
ASTM D409:2016
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Allied Aerosystems
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DC Resistance
2.92 mm systems (continued)
DC VOLTAGE
AC CURRENT
DC Power
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Amentum Clean Energy
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OM H-3 based on ISO 9698:2019
ISO 9696:2017 and ISO
(HSG 248) – 2021
(PCM) based on HSG 248
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Amentums Materials Testing and Research Laboratory part of Energy Safety and Risk Consultants (UK)
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a) BS 7270:2006
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ASTM E1820-18ae1 (Withdrawn)
ISO 6892-2
BS EN ISO 204
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Anchem Laboratories
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(HSG 248) – 2021
ANC/AS/2 based on HSG 248
DIN EN 14791
IEC 60519-11
DIN EN 13284-1
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Andersen Caledonia
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requirements of HTM 01-06 Part E
35 °C/3 days based on HTM 2030
Part E, WHTM 01-06 Part E & BS EN
ISO 15883-4 using R2A and
Part E, HTM 0106 Part E, WHTM 01-
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(HSG 248) – 2021
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(HSG 248) – 2021
QOP03 based on HSG 248
(PCM) based on HSG 248
(PCM) based on HSG 248)
QOP01 based on HSG 248
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