Scope
EN 16584-2
Railway Wheel Squeal and Curve Noise Assessment
This test method characterizes squeal and curve noise generated by railway wheels during operation, particularly in tight curves and low-adhesion conditions. The evaluation focuses on wheel-rail interaction noise to identify problematic frequency bands and noise generation mechanisms. Railway operators and wheel manufacturers use this test to develop noise mitigation strategies and ensure compliance with environmental noise directives. Accreditation validates that testing facilities can accurately measure and report wheel-generated noise for European railway standardization and regulatory compliance.
What it measures
- Squeal frequency content and magnitude
- Curve-induced noise characteristics
- Sound pressure levels in critical frequency bands
- Noise generation under specific track geometry conditions
- Wheel surface roughness correlation with noise
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NBN EN 16185-1
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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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NBN EN 13979-1
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DIN EN 13979-1
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BS EN 13979-1
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NF EN 13979-1
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UNI EN 13979-1
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Gleichstrom- und Niederfrequenzmessgröße
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DIN EN 1650
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DIN EN 13624
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21st Century Pathology
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29 Fleet Street
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3-Rath Kalibrier+Prüftechnik
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Sound intensity — scanning method (ISO 9
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messeinrichtungen von
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Koordinatenmessgeräte geräte mit einem
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BS 7976-2
(HSG 248) – 2021
(PCM) based on HSG 248
E203 based on HSG 248
E200 based on HSG 248
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(Härteskalen HV0,01
8tree Scanner / 0 mm bis 100 mm
Laterale Größe von
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9 Harley Street
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HUMAN BODY FLUIDS Clinical Biochemistry
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Alkaline Phosphatase (ALP) | SOP: LAB-SO
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NF X 43-050
ISO 16000-7
FD T 90-522
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DIN EN ISO 7438
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DIN EN ISO 9016
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DIN EN 12879
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-95 kPa ≤ P < -1 kPa -1 kPa ≤ P < -100 P
5 kPa ≤ P < 80 kPa 80 kPa ≤ P ≤ 120 kPa
0 MPa ≤ P ≤ 2 MPa 2 MPa < P ≤ 20 MPa 20
Punto triple del agua (0,01 °C)
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positiver Überdruck
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staining based on HSG 248
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DIN EN 932-1
DIN EN ISO 17892-4
DIN 19682-1
DIN 19682-2
DIN EN ISO 14688-2
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