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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UKAS 8719 Walsgrave, GB
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EBV Legionella-Antigen Treponema pallidum Treponema pallidum (Syphilis) Red Blood Cells + 3 more
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UKAS 8718 Coventry, GB
Fibrinogen Protein C Protein S HLA-B27 Antithrombin III + 3 more
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UKAS 7944 Coventry, GB
Audiology | Adult Hearing Services: Audiology | Otoscopy Audiology | History Taking Audiology | Pure Tone Audiometry Audiology | Impression Taking + 3 more
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UKAS 9016 Dorset Pathology Hub, GB
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UKAS 9073 Bournemouth, GB
Digoxin Cortisol Glucose CA 15-3 CA 125 + 3 more
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UKAS 9081 Bournemouth, GB
Serum Detection of: | ** Documented in h Avian IgG antibodies (precipitins): | U- Aspergillus fumigatus IgG | U-IMM-P-11 Aspergillus fumigatus IgG | U-IMM-P-12 Aspergillus fumigatus IgG | U-IMM-P-14 + 3 more
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UKAS 9147 Bournemouth, GB
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UKAS 9029 Bournemouth, GB
Enterovirus SARS-CoV-2 Adenovirus Coronavirus 229E Coronavirus HKU1 + 3 more
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UKAS 8050 Plymouth, GB
Ethanol Digoxin HbA1c Cortisol Glucose + 3 more
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UKAS 8737 Plymouth, GB
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UKAS 9088 Plymouth, GB
Ethanol Digoxin HbA1c Cortisol Glucose + 3 more
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UKAS 9881 Derriford Hospital, GB
Herpes simplex Virus Cytomegalovirus Alkaline Phosphatase Iron Fungi + 3 more
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UKAS 8483 Southampton, GB
Digoxin Cortisol CA 19-9 CA 125 Gentamicin + 3 more
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UKAS 8267 Chichester, GB
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UKAS 9337 Brighton, GB
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UKAS 9677 Brighton, GB
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UKAS 9761 Worthing, GB
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UKAS 9676 Brighton, GB
Measurement 9676 | Issue No : 005 Issue date A. mellifera ) Vespula spp.)
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UKAS 8265 Chichester, GB
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UKAS 9678 Brighton, GB
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UKAS 9308 Derby, GB
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UKAS 22747 Leicester, GB
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UKAS 8100 Leicester General Hospital, GB
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UKAS 8376 Leicester Royal Infirmary Square, GB
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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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