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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XEFRA SRL
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IEC 62279
DIN EN 60079-1
IEC 60079-1
DIN EN 60079-2
DIN EN 60079-11
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wie GR 1404
DIN EN ISO 22826
DIN EN ISO 3679
BS 1363-1
BS 1363-2: 1999
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Xylem Analytics Germany
Active
Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Railway braking — urban guided transport
direktanzeigende > 200 °C
Taupunkttemperatur
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YGGDRASIL SERVIZI
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ISO 4832
DIN ISO 16649-2
DIN EN ISO 4833-1
DIN EN ISO 18593
ISO 11731
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Yadav Measurements Private
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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
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Ethanol
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Ethanol
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AFP
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Digoxin
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CEA
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Yourgene Genomic Services
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22188 Manchester | Email: [email removed
Maternal Blood in Streck tubes • Screeni
Maternal Blood in Streck tubes • Screeni
Maternal Blood in Streck tubes • Screeni
Maternal Blood in Streck tubes • Screeni
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Z LAB Srl
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Sound power — engineering methods for sm
Sound power — engineering method using a
Sound power — survey method (ISO 3746)
Room acoustics — reverberation time (ISO
Railway pass-by noise measurement (ISO 3
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ZENTRAL-LABOR Lübecker Ärzte
Delisted
HbA1c
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Hämoglobin
Alkalische Phosphatase
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Frequenz
/ Messgeräte
20 HR30W
> 150 W
Wechselstromstärke 5 mA
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familiäre intrahepatische
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Railway vehicles — specific test require
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Matrix M.21: Absolute Messunsicherheit d
angeborener Chromosomensatz
erworbener Chromosomensatz
BCR::ABL Fusion
Peutz-Jeghers-Syndrom (STK11)
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Railway maintenance — track geometry (EN
1) In den CMC sind die erweiterten Messu
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
1350 mm
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Messsysteme
positiver Überdruck
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Kohlenstoffmonoxid CO
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