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
🇪🇸
UNE EN 14531-1
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NEN EN 14531-1
3,963
Accredited labs
21
Countries
Showing 2,851–2,875 of 3,963 labs
RMA Mess- und Regeltechnik
Active
Railway brakes — brake performance (UIC
Durchfluss von Gasen
Volumendurchfluss 50 m³/h
Volumendurchfluss strömender Gase (Hochd
5 bis 51 bar)
+ 2 more
NF X 43-257
NF X 43-298
NF X 43-050
NF X 43-269
ISO 16000-7
+ 1 more
ROEFS nv
Active
NBN EN 13508-2 (Codering)
NBN B-34-001
BEFDSS-DP-vm (Uitwisselingsformaat)
BEFDSS S -vm (uitwisselingsformaat)
SB 250 Hoofdstuk Rioleringen en afvoer v
+ 1 more
ROTA YOKOGAWA
Active
Durchfluss von
1) In den CMC sind die erweiterten Messu
− Durchfluss von Flüssigkeiten
dV/dt
verwendete Abkürzungen:
+ 3 more
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
IEC 61000-4-6: 2013
+ 3 more
Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Klimaschränke
Klimaschränken
Relative Feuchte 10 % bis
+ 3 more
UNE-EN 17446
UNE-EN 14972-3
EN 14972-4
UNE-EN 14972-8
UNE-EN 14972-14
+ 3 more
DIN EN 932-2
DIN EN 933-1
DIN EN ISO 17892-1
DIN EN ISO 17892-3
DIN EN ISO 17892-4
+ 3 more
DIN EN ISO 19458
DIN EN ISO 10523 (C 5)
DIN EN 27888 (C 8)
DIN EN ISO 10304-1 (D 20)
DIN EN ISO 11885 (E 22)
+ 3 more
Radiomotive
Active
9
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
+ 3 more
Railway catenary — current collection qu
ERA_ERTMS_040063 v.1.2.0 ed. 2013
ERA_ERTMS_040063 v.3.0.0 ed. 2017
ERA_ERTMS_040092 v.1.0.0 ed. 2017
ERA_ERTMS_040092 v.1.1.0 ed. 2017
+ 3 more
Ramcare
Active
thermometer Pt100
Hydraulic pressure (gauge)
DC VOLTAGE
Measurement
Temperature indicators, simulators, reco
+ 3 more
Ransomes Jacobsen
Active
Sound power — engineering method using a
DIN EN IEC 62841-4-3
ISO 5395-1
ISO 5395-2
ISO 5395-3
+ 2 more
Reckmann
Active
Railway braking — urban guided transport
- Direktanzeigende Thermometer
- Thermopaare, Thermoelemente
direktanzeigende > 200 °C
Taupunkttemperatur
+ 3 more
(NM_001718: c.1-c.500)
DIN EN 1371-1
DIN EN 1371-2
IEC 60335-1: 2010
IEC 61131-2: 2020
+ 3 more
EPPO PM 7/14 rev 2 2014 Appendix 3
SFN DTU n.16 r.1 2024
EPPO PM 7/21 rev 3 2021 Appendix 5
SFN DTU n.20 r.0 2022
EPPO PM 7/79 rev 2 2016/Cor 2017
EPPO PM 7/24 rev 5 2023 Appendix 5
EPPO PM 7/14 rev 2 2014 Appendix 3
EPPO PM 7/146 rev 2 2022 Appendix 4A
SFN DTU n.69 r.0 2024
+ 3 more
EPPO PM 7/24 rev 5 2023 Appendix 5
SFN DTU n.14 r.0 2022
COI/T.20/Doc n 35/rev 1 2017
COI/T.20/Doc n 34/rev 1 2017
COI/T.20/Doc n 19/rev 5 2019
OIV-MA-AS313-01 cap 5.2 R2015
OIV-MA-AS313-02 R2015
+ 3 more
EPPO PM 7/79 rev 2 2016/Cor 2017
EPPO PM 7/24 rev 5 2023 Appendix 5
EPPO PM 7/21 rev 3 2022 Appendix 6
EPPO PM 7/119 rev 1 2013
BS SOP004 using sandwich immunoassay
Massaspectrometrie
Spectrofotometrie
Hemocytometrie en microscopie
Monsterverwerking: registratie, opslag
+ 3 more
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