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 376–400 of 773 labs

UKAS 8908 Prescot, GB
Ethanol Digoxin Glucose CEA Gentamicin + 3 more
View Profile
UKAS 0373 Coventry, GB
CFH-Gen, Macula-Degeneration PRESSURE ELECTRICAL DC VOLTAGE AC CURRENT + 3 more
View Profile
UKAS 4007 Scunthorpe, GB
(HSG 248) – 2021 (PCM) based on HSG 248
View Profile
UKAS 0405 Scunthorpe, GB
(HSG 264, 2012)
View Profile
UKAS 9622 Coventry, GB
Pseudomonas aeruginosa Hepatitis-B-surface-Antigen Hepatitis B-e-Antigen Neisseria gonorrhoeae DNA Rhinovirus RNA + 3 more
View Profile
UKAS 1899 Bournemouth, GB
# = 100 A ISO 7251 ISO 6888-3 Total Aerobic Colony Count at 22C and 37 2) A:6c based on ISO 21528-1:2017 by mos + 1 more
View Profile
UKAS 8621 Chelmsford, GB
BS RHAEM LP 5 using Sysmex BS RHAEM LP 4 & BS RHAEM LP 10 BS RHAEM LP6 / LP 9 using Glass BS RHAEM LP 1 using thick film BS RHAEM LP 6 & BS RHAEM LP 8 + 3 more
View Profile
UKAS 9864 Chelmsford, GB
Serum Detection of: | ** Documented in h Urine Detection and quantification of re Urine Detection and quantification of re Urine Isolation and characterisation of Urine Detection of | SOP MICRO-VIR-LP-6 + 3 more
View Profile
UKAS 8109 Westcliff on Sea, GB
Paediatric Audiology | Ling 6 Pure Tone Audiometry Tympanometry Impression Taking Hearing Aid Fitting + 3 more
View Profile
UKAS 8429 Eaglestone, GB
Ethanol Digoxin Cortisol Glucose AFP + 3 more
View Profile

Modality

Active
UKAS 28773 Edgbaston, GB
Audiology | Adult Hearing Services: Audiology | Otoscopy Audiology | History Taking Audiology | Pure Tone Audiometry Audiology | Impression Taking + 3 more
View Profile
UKAS 23082 London, GB
Vision Science | ISCEV Standard EOG Espi Vision Science | ISCEV Standard test ERG Vision Science | Extended ERG tests [S-c Vision Science | (PhNR)] Vision Science | ISCEV Standard pattern + 3 more
View Profile
UKAS 8609 London, GB
Specimen dissection (ocular pathology sa purposes of diagnosis | PREP015 in conju Slides prepared in-house as Morphologica
View Profile
UKAS 21806 Stevenage, GB
Materials/Products | Type of test/Proper EXAMINATION | Regulator Code of Practice
View Profile
UKAS 9090 Crosshouse University Hospital, GB
Digoxin HbA1c Cortisol Glucose AFP + 3 more
View Profile
UKAS 8740 Tooting, GB
Measurement HLA typing: | 5. HLA Class I and Clas autoantibodies Molecular Blood Group determination + 3 more
View Profile
UKAS 9765 Filton, GB
Molecular Red Cell Immunohaematology investigation Determination of antibodies directed to Confirmation of red cell antigen phenoty Additional antigens for rare donor confi + 3 more
View Profile
UKAS 9239 Colindale, GB
Measurement HLA typing: | 5. HLA Class I and Clas Detection and Identification of: Plasmod Histocompatibility and Immunogenetics in Detection of IgG HLA specific antibodies + 3 more
View Profile
UKAS 8077 Cargenbridge, GB
Epithelial cell types | Ber Ep4 T cells | CD3 Mature T cells, T cell lymphomas | CD5 Plasma cells | CD138 Melanoma, melanocyte | HMB45 + 3 more
View Profile
UKAS 8074 Cargenbridge, GB
Ethanol Digoxin HbA1c Cortisol Glucose + 3 more
View Profile
UKAS 8079 Cargenbridge, GB
Serum/Plasma/Urine | LFT Profile Serum/Plasma/Urine | Bone Profile Serum/Plasma | Lipids Serum/Plasma | 25-Hydroxyvitamin D EDTA | Electrophoresis + 3 more
View Profile

NHS Fife

Active
UKAS 8816 Kirkcaldy, GB
Digoxin HbA1c Cortisol Glucose AFP + 3 more
View Profile

NHS Fife

Active
UKAS 8844 Kirkcaldy, GB
Helicobacter pylori Rubella IgG Measles IgG Measurement Detection of : | Manual Indirect + 3 more
View Profile

NHS Fife

Active
UKAS 8815 KIRKCALDY, GB
Digoxin HbA1c Cortisol Glucose AFP + 3 more
View Profile
UKAS 29354 Larbert, GB
D-Dimer MCH MCHC MCV Erythrocyte Sedimentation Rate + 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