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 576–600 of 773 labs

UKAS 8849 Shrewsbury, GB
Cytomegalovirus Fungi Measurement Detection of the following: | Special St Native C3 + 3 more
View Profile
UKAS 9248 Winall, GB
DIN EN 14034-3 DIN EN 14034-1 DIN EN 14034-2 DIN EN 14034-4 DIN EN 50281-2-1 + 3 more
View Profile

Smithers MSE

Active
UKAS 0067 Shrewsbury, GB
Salt spray / neutral salt fog test (ISO ISO 1183-1 ISO 4593 ASTM B117-19 ISO 11357-2 + 3 more
View Profile

Solus Testing

Active
UKAS 0092 Worksop, GB
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) ISO 6506-1 ISO 6507-1 ASTM A370-24 + 3 more
View Profile
UKAS 0369 Wellington, GB
(HSG 248) – 2021 R24 based on HSG 248 staining based on HSG 248
View Profile
UKAS 9571 Nottingham, GB
Fungi Measurement KRAS EGFR Morphological assessment and interpretat + 3 more
View Profile
UKAS 8029 Dundonald, GB
Digoxin HbA1c Cortisol Glucose Gentamicin + 3 more
View Profile
UKAS 9710 Warwick, GB
Audiology | Adult Hearing Services: Audiology | Otoscopy Audiology | History Taking Audiology | Pure Tone Audiometry Audiology | Impression Taking + 3 more
View Profile
UKAS 9069 Craigavon Area Hospital, GB
Digoxin Cortisol Glucose Gentamicin Phenytoin + 3 more
View Profile
UKAS 8592 Portadown, GB
Digoxin Cortisol Glucose Gentamicin Phenytoin + 3 more
View Profile
UKAS 9675 Portadown, GB
Staphylococcus aureus (MRSA) Shigella spp Red Blood Cells Yersinia spp Vibrio spp. + 3 more
View Profile
UKAS 9663 Portadown, GB
MCH MCHC MCV RDW Haemoglobin + 3 more
View Profile
UKAS 9769 Taunton, GB
Digoxin Cortisol Barbiturate Benzodiazepine CA 125 + 3 more
View Profile
UKAS 2621 Basildon, GB
(HSG 264, 2012) Surveying for asbestos in premises (HSG 248) – 2021 (PCM) based on HSG 248 QOP01 based on HSG 248
View Profile
UKAS 10817 Moneymore, GB
ISO 6579-1 AM01 based on BS EN ISO 4833-1: AM03 based on BS EN ISO 11290- AM05 based on BS ISO 21528-2: AM08 based on BS EN ISO 15213-2:2023 by + 3 more
View Profile
UKAS 8314 Elstree, GB
Glucose CA 125 CEA Albumin Calcium + 3 more
View Profile
UKAS 1170 Salwick, GB
(enzephalomyopathische Form ISO 6507-1 Squares Length Gauges, Flat and Micrometers (see note 3) + 3 more
View Profile
UKAS 8127 Cranmer Terrace, GB
Albumin D-Dimer Tryptase Prothrombin G20210A-Mutation Enterovirus + 3 more
View Profile
UKAS 8961 Surrey, GB
D-Dimer Fibrinogen Protein C Protein S Tryptophan + 3 more
View Profile
UKAS 9085 Tooting, GB
D-Dimer Prothrombin G20210A-Mutation Fibrinogen INR Vitamin A + 3 more
View Profile
UKAS 9913 London, GB
Epstein-Barr-Virus HSV-1 Squamous-cell-carcinoma Copper Measurement + 3 more
View Profile
UKAS 9810 Tooting, GB
Enterovirus VZV Astrovirus Mumps IgM Adenovirus + 3 more
View Profile
UKAS 9745 Tooting, GB
Albumin Tryptase Detection of : | Manual Indirect Detection of the following: | Special St Antibodies: | Adrenal + 3 more
View Profile
UKAS 9594 Poplar Grove, GB
Pathology Laboratory | Raisa Zaman ALT Lithium Blood B12 | Automated using Siemens Atel AFP | IM Immunoassay System + 3 more
View Profile
UKAS 9592 Poplar Grove, GB
Haemophilus influenzae MRSA-Screening Post vasectomy: Detection of sperm Fertility testing: Volume pH Sperm concentration + 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