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 2,601–2,625 of 3,963 labs

Navobi

Active
RvA L486 Ermelo, NL
DIN EN ISO 5983-2 DIN EN ISO 6888-2 DIN EN ISO 11290-2 DIN EN ISO 21528-2 DIN EN ISO 10523 + 3 more
View Profile
RvA L146 'S-Gravenhage, NL
Monsterverwerking: registratie, opslag Histochemische kleuringen Immuunhistochemische kleuringen Forensisch postmortaal onderzoek
View Profile
ACCREDIA 00036 Biassono, IT
Salt spray / neutral salt fog test (ISO 9 DIN EN 50155 DIN EN 20105 DIN EN IEC 60068-2-5 + 3 more
View Profile
ACCREDIA 01404 Ferrara, IT
Salt spray / neutral salt fog test (ISO DIN EN 50155 DIN EN 20105 DIN EN IEC 60068-2-5 DIN EN IEC 60068-2-11 + 3 more
View Profile

Neofarma Srl

Active
ACCREDIA 01543 Longiano, IT
ISO 13906 ISO 17372 COI/T.20/Doc n 35/rev 1 2017 COI/T.20/Doc n 34/rev 1 2017 Reg CE 152/2009 27/01/2009 GU CE + 3 more
View Profile
DAkkS D-PL-14497-01-03 Salzwedel OT Kemnitz, DE
DIN EN 12879 DIN EN 12880 DIN EN 932-1 DIN EN 12697-5 DIN EN 12697-6 + 3 more
View Profile
ACCREDIA 02043 Perugia, IT
ISO 21528-1 ISO 21528-2 AFNOR TRA 02/12-01/09
View Profile
COFRAC 1-0646 - Cergy Saint-Christophe, FR
ISO 4831 ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 + 3 more
View Profile
ACCREDIA 02081 BORGO SAN GIACOMO, IT
DIN EN 27888 DIN EN 13657 DIN EN ISO 10523 DIN EN ISO 10304-1 DIN EN 15934 + 3 more
View Profile
UKAS 32178 Norwich, GB
BS EN ISO 17892-1:2014+A1:2022 BS 1377-2:2022 BS EN ISO 17892-2:2014 BS EN ISO 17892-12: 2018+A2:
View Profile
UKAS 32076 Clervaux Terrace, GB
(HSG 264, 2012)
View Profile
DAkkS D-PL-14356-01-01 Norden, DE
DIN EN 12316-1 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) DIN EN ISO 11885 (E 22) + 3 more
View Profile
DAkkS D-PL-14378-12-00 Lüneburg, DE
HABP2-Gen (c.1601G>A) rs7080536 ASTM E 648 DIN EN 1371-1 DIN EN 61646 DIN EN 62717 + 3 more
View Profile
DAkkS D-ML-17693-01-00 Hannover, DE
Amphetamine Benzodiazepine Cannabinoide Opiate Bakterien, Sprosspilze + 3 more
View Profile
DAkkS D-PL-17693-02-01 Hannover, DE
rs738409 DIN EN ISO 11885 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) + 3 more
View Profile
DAkkS D-PL-20636-01-01 Mönchengladbach, DE
DIN EN 27888 DIN EN ISO 11885 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) + 3 more
View Profile

Niki Srl

Active
ACCREDIA 02154 Cisliano, IT
ASTM D445-24 ASTM D5185-18 ASTM D2270-24 ASTM D664-24 ASTM D2896-21 + 3 more
View Profile

NonaChem

Active
DAkkS D-PL-21392-01-01 Ladenburg, DE
Salt spray / neutral salt fog test (ISO Technical cleanliness of fluid system co ISO 16750-5 DIN EN ISO 2813 DIN EN ISO 6270-2 + 3 more
View Profile
ACCREDIA 02225 Lonigo, IT
DIN EN ISO 15587-2 DIN EN 13657 DIN EN ISO 10523 ISO 10523 NF EN ISO-15587-2 + 3 more
View Profile
DAkkS D-K-18679-01-02 Bad Laer, DE
Railway brakes — brake performance (UIC − Durchfluss von Gasen Gleichstromenergie > 10 k > 100 k + 3 more
View Profile
UKAS 8405 Norwich, GB
Fibrinogen Epstein-Barr-Virus Parvovirus Squamous-cell-carcinoma Fungi + 3 more
View Profile
UKAS 8426 Norwich, GB
Paediatric Audiology | Otoscopy Paediatric Audiology | History taking Paediatric Audiology | Tympanometry Paediatric Audiology | Performance Test Paediatric Audiology | Play Audiometry + 3 more
View Profile
UKAS 10295 Norwich, GB
Digoxin HbA1c Cortisol Glucose AFP + 3 more
View Profile
UKAS 21363 Gorleston-on-Sea, GB
Ethanol Digoxin Cortisol Gentamicin Vancomycin + 3 more
View Profile
UKAS 10296 Colney, GB
Hepatitis B-e-Antigen HSV-1 HSV-2 Plesiomonas Toxoplasma IgG + 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