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
🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
1,560 Accredited labs
17 Countries

Showing 601–625 of 849 labs

DAkkS D-K-22502-01-01 Ilmenau, DE
& 2: 2008 Leuchtdichte L / vom Typ L3 Standard Normfarbwertanteile x , y / LED-basierte Farb- und + 3 more
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DAkkS D-K-18197-01-00 Martinroda, DE
Taupunkttemperatur Railway braking — urban guided transport Widerstandssensor –40 °C bis > 5 °C bis + 3 more
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Teramess

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DAkkS D-K-18666-01-02 Germering, DE
Absolutdruck p 0,015 bar abs > 1,7 bar > 70 bar > 100 bar + 3 more
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DAkkS D-K-18316-01-00 Backnang, DE
Gleichspannung 0 mV Messgeräte 10 mV Wechselspannung 0,22 mV > 220 mV > 2,2 V + 3 more
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DAkkS D-K-22318-01-00 Neu Wulmstorf, DE
Positiver Überdruck p e > 70 bar Überdruck p (ein- oder mehrgängige
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DAkkS D-K-15070-01-01 Kirchzarten, DE
- Gleichspannung / Messgeräte Quellen Hochspannung - Gleichstromstärke + 3 more
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DAkkS D-K-17589-01-01 Steinenbronn, DE
Railway brakes — disc brake pads (UIC 54 Volumendurchfluss bzw. 0,01 m Railway pantographs — requirements for m 39 mL/h + 3 more
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DAkkS D-K-17616-01-01 Langenselbold, DE
- Gleichspannung Messgeräte 0,001 V bis 0,33 V bis 3,3 V bis 330 V bis + 3 more
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Thermo Sensor

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DAkkS D-K-18093-01-00 Werne, DE
Tensile testing of metallic materials (I Temperaturmessgrößen thermometer und Railway braking — urban guided transport Railway vehicle body structural requirem + 3 more
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DAkkS D-K-19243-01-00 Weilburg, DE
Vickers hardness test (ISO 6507) Taupunkttemperatur Widerstandssensor * –90 °C –80 °C –40 °C + 3 more
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DAkkS D-K-18223-01-02 Ilmenau, DE
Masse oder Konventioneller Wägewert/ Massenormal *) > 1 mg + 3 more
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DAkkS D-K-17246-01-00 Berlin, DE
Railway brake — magnetic track brakes (U Kraft (WPM) Länge (WPM) a) nur Vor-Ort-Kalibrierungen Vickers hardness test (ISO 6507) + 3 more
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Trescal

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DAkkS D-K-15015-01-01 Darmstadt, DE
- Gleichspannung / Messgeräte 10 V; 100 V; 1000 V > 100 mV > 0,22 V + 3 more
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DAkkS D-PL-12007-02-05 Essen, DE
IEC 61000-4-39 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 VDE 0847-4-4 + 3 more
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DAkkS D-K-11109-01-02 Essen, DE
positiven Überdruck positiver Überdruck - Gleichstromstärke Kraft Schließ- und + 3 more
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DAkkS D-PL-11109-01-06 Essen, DE
ISO 26262-2 ISO 26262-3: ISO 26262-4 ISO 26262-5 ISO 26262-6 + 3 more
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DAkkS D-PL-11074-07-01 Essen, DE
DIN EN 10306 DIN EN 1048 DIN EN 1216 DIN EN 14511-3 DIN EN 14825 + 3 more
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DAkkS D-PL-11120-02-01 Köln, DE
DIN CEN/TS 17021 (DIN SPEC 33976) DIN EN ISO 3745 DIN EN 12102-1 DIN EN 12102-2 DIN 45635-1 + 3 more
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DAkkS D-PL-11120-04-00 Köln, DE
DIN EN 12897 DIN EN 15332 DIN SPEC 1101 DIN EN 303-5 DIN EN 13126-19 + 3 more
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DAkkS D-PL-11052-01-03 Köln, DE
IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-6 IEC 60068-2-14 DIN EN 60068-2-14 + 3 more
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DAkkS D-PL-11052-03-01 Halle/Saale, DE
DIN EN 50178: 1998 DIN EN ISO 179-1 ISO 21527-1 ISO 21527-2 DIN EN ISO 527-3 + 3 more
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DAkkS D-K-11165-01-02 Köln, DE
motoren Gaskonzentration Kohlenstoffmonoxid CO Kohlenstoffdioxid Kohlenstoffdioxid CO2 + 3 more
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DAkkS D-PL-11165-04-03 Berlin, DE
IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-14 DIN EN 60068-2-14 IEC 60068-2-30 + 3 more
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DAkkS D-PL-14169-03-03 Nürnberg, DE
DIN EN 71-10 DIN EN 62321-2*VDE 0042-1-2 DIN EN 1264-5 DIN EN 13647 DIN EN 16889 + 3 more
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DAkkS D-K-11254-02-02 Filderstadt, DE
Railway wheelset design forces (UIC 519) Rollenbremsprüfstände Kraft Prüfsystem Prüfgeräte (SEP) + 3 more
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Industries

Railway rolling stock engineering and design Brake system manufacturers and integrators Railway fleet operators Rail vehicle certification authorities Transport safety and compliance consulting

Related Standards

  • UIC 544-1 Railway brakes — Braking performance
  • UIC 541-01 Railway brakes — Brake pads — Part 1: Friction material specification
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

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