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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DIN EN 14531-1
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BS EN 14531-1
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NF EN 14531-1
🇮🇹
UNI EN 14531-1
🇪🇸
UNE EN 14531-1
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NEN EN 14531-1
1,560
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DIN EN ISO 12185
DIN EN ISO 3405
DIN EN 13016-1
DIN EN ISO 20884
DIN EN ISO 20846
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Spinocerebelläre Ataxien
Bindegewebserkrankungen: ACTA2, COL1A1,
HD; Chorea Huntington
(Huntingtin-Gen)
Dentatorubrale-Pallidoluysiane
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Durchfluss von 2 m3/h bis 800 rn3/h
− Durchfluss von Flüssigkeiten
Volumendurchfluss
dV/dt von
strörnenden
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DIN EN ISO 717-1
DIN EN ISO 10052
DIN EN ISO 10140-1
DIN EN ISO 10140-2
DIN EN ISO 10140-4
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SGS Germany
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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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DIN 51757
ASTM D 4052
DIN EN ISO 12185
DIN EN ISO 3405
DIN EN 13016-1
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DIN EN ISO 2639
DIN EN ISO 6507-1
DIN EN ISO 6508-1
DIN EN 10328
DIN 50190-3
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SIANTEC- Silvio Herzog e. K.
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Härte (WPM) 80 HBW
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150 HV
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SIKA Siebert & Kühn
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Vickers hardness test (ISO 6507)
Absolutdruck p abs *
> 61 bar
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> 60 bar
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Bauart wie GR 1482
DIN ISO 48-4
DIN ISO 7619-2
DIN EN ISO 868
DIN EN ISO 2039-1
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IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
DIN EN IEC 61000
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
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DIN 58953-6
DIN 1946-4
DIN EN 13959
DIN EN ISO 8536-4
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IEC 61000-4-2: 2008
VDE 0847-4-2
IEC 61000-4-3: 2006
VDE 0847-4-3
IEC 61000-4-4: 2012
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Akustische Messgrößen*
Schalldruckpegel (Freifeld), (bezogen au
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˃ 250 Hz
mit / ohne Windschirm > 8 kHz
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SPS electronic
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- Gleichspannung
Messgeräte 1 mV
> 330 mV
3,3 V
Messgeräte 0,33 V
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Vibration measuring instruments — test m
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Härteprüfmaschinen
Acoustics — tonality assessment (DIN 456
Noise measurement on railway vehicles —
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