Scope
UIC 544-2
Railway Braking Force Estimation Methods
UIC 544-2 provides standardized calculation and estimation methods for determining braking force in railway rolling stock across different brake system types and operational scenarios. This technical standard defines mathematical models for translating brake system pressure, line force, and mechanical leverage into actual stopping power, accounting for variables such as wheel slip, temperature effects, and load conditions. The standard enables consistent performance prediction and certification across diverse European rail systems. Accreditation for this calculation methodology ensures reproducible, safety-critical engineering assessments used in rail fleet design and operational planning.
What it measures
- Brake force calculation from system pressure and geometry
- Adhesion coefficient effects on available braking force
- Load-dependent braking force variations
- Dynamic brake force response characteristics
- Braking force distribution optimization
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NBN EN 14531-1
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DIN EN 14531-1
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BS EN 14531-1
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NF EN 14531-1
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UNI EN 14531-1
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UNE EN 14531-1
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NEN EN 14531-1
3,963
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21
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Showing 1,776–1,800 of 3,963 labs
Isle of Wight NHS Trust
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Helicobacter pylori
Squamous-cell-carcinoma
Platelets
Red Blood Cells
Fungi
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Isle of Wight NHS Trust
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Staphylococcus aureus (MRSA)
Detection of : | Manual Indirect
Microbiology examination activities for
Isolation and identification of fungi of
Detection of Norovirus antigen
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Isserstedt Prüfmaschinen
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Sound intensity — scanning method (ISO 9
messeinrichtungen von
(Härteskalen HV0,01 bis HV3)
Länge (WPM)
Prüfkraftmesseinrichtung
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EPPO PM 7/24 rev 5 2023 Appendix 5
Istituto Giordano SpA
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DIN EN 1021-1
DIN EN ISO 9015-1
DIN EN ISO 17639
DIN EN ISO 16535
DIN EN ISO 16536
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 17637
DIN EN ISO 17638
DIN EN ISO 4136
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EPPO PM 7/24 rev 5 2023 Appendix 5
SFN DTU n.16 r.1 2024
ISO 18787
ISO 4832
ISO 15214
ISO 21527-1
ISO 21527-2
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Italfond SpA
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 6506-1
DIN EN ISO 643
DIN EN ISO 6892-2
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Italsabi srl
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DIN EN 10160
DIN EN ISO 16810
DIN EN ISO 13588
DIN EN ISO 17637
DIN EN 13018
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Item Oxygen Srl
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ISO 14698-1
DIN EN 13098
Rapporti ISTISAN 2013/37 pag 42
Rapporti ISTISAN 2013/37 pag 32
J B-Monitor
Active
(HSG 248) – 2021
(HSG 264, 2010)
(PCM) based on HSG 248
No 1 based on HSG 248 – 2021
(PCM) based on HSG 248 – 2021
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Machinery vibration — industrial machine
Railway maintenance — track geometry (EN
100 HV 125
25 HRA
Länge
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JR-WP Ausbildung und Dienstleistungs
Delisted
DIN EN 10160
DIN EN ISO 16810
DIN EN ISO 17637
DIN EN 13018
DIN EN ISO 17638
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Reg UE 1151/2017 01/06/2017 GU UE
UNECE 10R07/00 (2025) - solo/only
Reg UE 443/2023 08/02/2023 GU UE
DIN EN 60068-2-43
DIN EN 438-7
DIN 52340-2
DIN EN 10315
DIN EN ISO 11297-1
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ISO/IEC 15408
ISO/IEC 18045
UNE 320001
ISO/IEC 19790
ISO/IEC 24759
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Railway brake handbooks (UIC 547)
Railway braking — urban guided transport
Temperaturmessgrößen
> 20 bar
positiver Überdruck
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Jakob Mooser
Active
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
IEC 61000-4-8: 2009
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Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
elektronische Waagen
verwendete Abkürzungen:
Innen- und Tiefenmaße
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Jet-Care International
Active
ASTM D 1500
ASTM D 445
ASTM D 6304
ASTM D 5800
ASTM D664
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verwendete Abkürzungen:
Geradheitsabweichung
Ebenheitsabweichung
platten nach DIN 876:1984
Winkelabweichung
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Johnson and Allen
Active
DC CURRENT
INSPECTION EQUIPMENT
AC CURRENT 50 Hz RMS
uncertainties may be increased.
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