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 351–375 of 3,963 labs

UKAS 2544 Hebburn, GB
(HSG 248) – 2021 QOP03 based on HSG 248 (PCM) based on HSG 248 QOP01 based on HSG 248
View Profile
UKAS 32982 Sunderland, GB
(PCM) based on HSG 248 M3 based on HSG 248 (HSG 248) – 2022 UP02 based on HSG 248 UP03 based on HSG 248 and HSG
View Profile
DAkkS D-K-15079-01-00 Alsdorf, DE
> 2,0 bar positiver Überdruck Absolutdruck Pabs > 0,03 bar > 7 bar + 3 more
View Profile
DAkkS D-PL-22860-01-01 Reutlingen, DE
Salt spray / neutral salt fog test (ISO ISO 16750-5 VDE 0468-2-1 DIN EN IEC 60068-2-5 VDE 0468-2-5 + 3 more
View Profile
ACCREDIA 00117 Saint Christophe, IT
ISO 4833-2 based on ISO 13366-2:2006 ISO 14675 UNI 10935 UNI 10934 + 3 more
View Profile
ACCREDIA 02285 Bagnatica, IT
ATP ECE/TRANS/347
View Profile
ACCREDIA 00595 Cuneo, IT
DIN EN ISO 5983-2 ISO 18787 ISO 21527-1 DIN EN ISO 4833-1 DIN EN ISO 6888-2 + 3 more
View Profile
ACCREDIA 00921 Putignano, IT
based on ISO 13366-2:2006 ISO 9622 ISO 13366-2 AOAC DSM Delvotest SP-NT Visual n 011102
View Profile
ACCREDIA 00545 Vicenza, IT
ISO 4832 DIN EN ISO 6888-2 ISO 6222 ISO 7899-2 ISO 9308-1 + 3 more
View Profile
ACCREDIA 00898 Andria, IT
BS EN 15662 UNI EN 15662 COI/T.20/Doc n 35/rev 1 2017 COI/T.20/Doc n 34/rev 1 2017 COI/T.20/Doc n 19/rev 5 2019 + 1 more
View Profile
UKAS 0438 London, GB
(HSG 264, 2012)
View Profile
UKAS 30612 Cambridge Biomedical Campus, GB
Betriebsübertragungsmaß Hydraulic pressure (gauge) AC CURRENT RELATIVE HUMIDITY DC CURRENT + 3 more
View Profile
UKAS 4696 Rochford, GB
(PCM) based on HSG 248 Analysts’ Guide (HSG 248) (HSG 248) – 2021 Asbestos: The
View Profile
DAkkS D-K-17447-01-01 Essen, DE
Railway braking — urban guided transport Railway — traction effort and braking fo mentschraubwerkzeuge Druckkraftrichtung 0,2 N∙m + 3 more
View Profile
DAkkS D-PL-14564-01-03 Berlin, DE
DIN EN ISO 1463 DIN EN ISO 6270-2 DIN EN ISO 22479 DIN EN 60243-1 ISO 6270-2 + 3 more
View Profile
UKAS 21002 Badersfield, GB
OMIM*601129, CYP2C9 OMIM*601130, CYP2C19 OMIM*108330, CYP1A2 OMIM*124060, CYP2B6 OMIM*123930, CYP2C8 + 3 more
View Profile
ACCREDIA 00401 Fiano Romano, IT
DIN EN 933-1 DIN EN 12697-1 DIN EN 12697-2 DIN 51436 DIN EN ISO 13473-1 + 3 more
View Profile
UKAS 0612 Orpington, GB
(PCM) based on HSG 248 (HSG 248) – 2021 ) Surveying) based on HSG 248
View Profile
ACCREDIA 01447 Catania, IT
DIN EN 27888 ISO 11731 ISO 16266-2 ISO 10304-1 ISO 6222 + 3 more
View Profile
ACCREDIA 00800 Trento, IT
ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 7932 + 3 more
View Profile
ACCREDIA 01824 Messina, IT
DIN EN ISO 10304-1 VDE 414-9-11 ISO 11731 ISO 10304-1 ISO 6222 + 3 more
View Profile
ACCREDIA 01674 Agrigento, IT
ISO 6222 ISO 7899-2 ISO 9308-1 BS EN ISO 17294-2 Rapporti ISTISAN 2007/31 pag 55 Met + 1 more
View Profile
DAkkS D-K-21102-01-00 Donaueschingen, DE
Railway braking — urban guided transport Railway vehicle body structural requirem Railway bogies — wheelsets and bogies st Temperaturmessgrößen mitter mit Thermo- > 550 °C + 3 more
View Profile
UKAS 0047 Rochester, KR
DIN EN 60068-2-14 DIN EN 60068-2-18 DIN EN 60068-2-78 IEC 60068-2-18 IEC 60068-2-64 + 3 more
View Profile
UKAS 0389 Barrow-in-Furness, GB
Betriebsübertragungsmaß DC Resistance Hydraulic pressure (gauge) TEMPERATURE Measurement + 3 more
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