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
3,963 Accredited labs
21 Countries

Showing 1,101–1,125 of 3,963 labs

ACCREDIA 00028 Vimodrone, IT
10/1500 ISO 11737-3 DIN EN ISO 14683 IEC 60127-5 DIN EN 1040 + 3 more
View Profile
ENAC LE2750 Peligros, ES
ISO 5667-11 ISO 5667-4 ISO 5667-10 ISO 5667-12 ASTM D7574 + 3 more
View Profile
ACCREDIA 00433 Cuneo fz. Madonna dell'Olmo, IT
ISO 6885 ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 + 3 more
View Profile
ENAC LE709 Lorquí, ES
Tensile testing of metallic materials (I Widerstände, Quellen 1 ISO 4831 ISO 4832 ISO 21527-1 + 3 more
View Profile
ACCREDIA 00923 CORTEOLONA E GENZONE, IT
DIN EN 27888 DIN EN ISO 19458 DIN EN 13126-19 DIN EN ISO 11885 DIN EN ISO 18125 + 3 more
View Profile
BELAC 092-TEST Villers-le-Bouillet, BE
ISO 18787 ISO 4832 ISO 15214 ISO 5667-1 ISO 7251 + 3 more
View Profile
COFRAC 1-2202 Douai, FR
DIN EN 27888 DIN EN 12880 DIN EN ISO 11885 DIN EN ISO 10523 DIN ISO 17289 + 3 more
View Profile
COFRAC 1-6950 Petit Couronne, FR
DIN EN 27888 DIN EN 12880 DIN EN ISO 10523 DIN ISO 17289 DIN EN 1484 + 3 more
View Profile
ENAC LE268 Castellón de la Plana, ES
Railway wheel-rail interaction — roughne DIN EN ISO 16649-3 ISO 13320 ISO 5667-11 ISO 5667-4 + 3 more
View Profile
ACCREDIA 00205 San Martino di Venezze, IT
DIN EN 27888 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN 1484 + 3 more
View Profile
COFRAC 1-2243 Vennecy, FR
ISO 15214 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 6579-1 + 3 more
View Profile
COFRAC 1-6881 Aix-En-Provence, FR
ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 + 3 more
View Profile
COFRAC 1-2241 Douai, FR
ISO 18787 ISO 15213 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
View Profile
COFRAC 1-1830 Nantes, FR
ISO 4831 ISO 4832 ISO 15213 ISO 15214 ISO 21527-1 + 3 more
View Profile
ACCREDIA 00880 Asola, IT
DIN EN ISO 14891 DIN EN ISO 21528-1 DIN EN ISO 10304-1 DIN EN ISO 17294-2 DIN EN 1484 + 3 more
View Profile
ENAC LE551 San Ginés, ES
ISO 21528-2 ISO 5667-4 ISO 5667-10 ISO 5815-1 ISO 5667-12 + 3 more
View Profile
ACCREDIA 00522 Castelnovo di Sotto, IT
ISO 18787 ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 + 3 more
View Profile
COFRAC 1-5895 Bagneux, FR
NF X 43-257 NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile
COFRAC 1-5894 Saverne, FR
NF X 43-257 NF X 43-050 NF X 43-269 NF X 43-259 NF X 43-296 + 2 more
View Profile
COFRAC 1-7559 Dunkerque, FR
NF X 43-257 NF X 43-050 NF X 43-269 NF X 43-259 NF X 43-296 + 3 more
View Profile
COFRAC 1-6823 Henin-Beaumont, FR
NF X 43-257 NF X 43-050 NF X 43-269 NF X 43-259 NF X 43-296 + 3 more
View Profile
COFRAC 1-5943 Nantes, FR
ISO NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile
COFRAC 1-5896 Venissieux, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
View Profile
ACCREDIA 00054 Torino, IT
Sound power — engineering method using a Sound power — survey method (ISO 3746) DIN EN 60529 DIN EN ISO 3741 IEC 62623: 2012 + 3 more
View Profile
ACCREDIA 02215 Rimini, IT
SFN DTU n.15 r.0 2022 EPPO PM 7/138 rev 1 2021 Appendix 4
View Profile

No matching labs found.

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

Other Test Methods

0 labs selected
Compare