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
🇧🇪 NBN EN 14531-1 🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
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DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) DIN EN ISO 11885 (E 22) DIN 38402-A 30 + 3 more
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DAkkS D-K-21902-01-00 Wilsdruff ST Kesselsdorf, DE
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DAkkS D-K-15073-01-01 Niederkrüchten, DE
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ACCREDIA 01259 Tortona, IT
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DAkkS D-PL-11122-01-00 Kloster Lehnin, DE
wie GR 1404 DIN EN ISO 22826 DIN EN ISO 3679 BS 1363-1 BS 1363-2: 1999 + 3 more
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DAkkS D-K-20615-01-00 Weilheim, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Railway braking — urban guided transport direktanzeigende > 200 °C Taupunkttemperatur + 3 more
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UKAS 2437 Udaipur 313 003, IN
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UKAS 22188 Manchester, GB
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 + 2 more
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ACCREDIA 01046 Cerea, IT
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 + 3 more
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DAkkS D-ML-18420-01-00 Lübeck, DE
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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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