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
🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
1,323 Accredited labs
15 Countries

Showing 26–50 of 773 labs

DAkkS D-K-20341-02-00 Bad Nenndorf, DE
Temperaturanzeigegeräte –100 °C bis - Direktanzeigende Thermometer - Thermopaare, Thermoelemente verwendete Abkürzungen:
View Profile
DAkkS D-ML-19082-01-00 Oberschleißheim, DE
Salmonella spp. Antikörper) Treponema pallidum (Lues) Thrombozytäre Antikörper dysenteriae), Vibrio cholerae + 3 more
View Profile
DAkkS D-ML-13090-01-00 Hamburg, DE
Echinococcus granulosus Echinococcus multilocularis Paragonimus uterobilateralis Ascaris lumbricoides (IgG) Brucella spp. (IgG, IgM) + 3 more
View Profile
DAkkS D-K-12045-01-01 Dresden, DE
/ Messgeräte Gleichstrom- und Nieder- 10 mV > 220 mV > 2,2 V > 11 V + 3 more
View Profile
DAkkS D-K-15017-01-00 Frankfurt, DE
Vickers hardness test (ISO 6507) Temperatur * Temperaturmessgrößen −35 °C Railway braking — urban guided transport Temperatur −40 °C + 3 more
View Profile
DAkkS D-ML-13452-02-00 Berlin, DE
Hämoglobin Differentialblutbild Erythrozyten Großes Blutbild Kleines Blutbild + 3 more
View Profile
DAkkS D-ML-13452-10-00 Freiburg, DE
Okkultes Blut Großes Blutbild Kleines Blutbild Retikulozyten Thrombozyten + 3 more
View Profile
DAkkS D-ML-13452-01-01 Ingelheim, DE
2C-B 2C-I 3-Hydroxy-Bromazepam 5-Hydroxyindolessigsäure 6-Acetylcodein + 3 more
View Profile
DAkkS D-ML-13452-05-00 Jena, DE
Zelldifferenzierung Erythrozyten Großes Blutbild Hämoglobin Kleines Blutbild + 3 more
View Profile
DAkkS D-ML-13452-07-00 Mainz, DE
Hämoglobin (immunologisch) CA 125 CA 15-3 CA 19-9 CA 72-4 + 3 more
View Profile
DAkkS D-ML-13452-06-00 Moers, DE
Hämoglobin Natriumchlorid Kalium Natrium Eiweißelektrophorese: Albumin, Alpha-1-G + 3 more
View Profile
DAkkS D-ML-13322-01-00 Karlsruhe, DE
10-OH-Carbazepin 11-Deoxycortisol 17-OH-Progesteron 21-Deoxycortisol 25-OH Vitamin D2 + 3 more
View Profile
DAkkS D-ML-19774-01-01 Gießen, DE
Thrombozytenfunktion 5-Hydroxyindolessigsäure Adrenalin Amiodaron, Desmethylamiodaron Carbohydrate-deficient + 3 more
View Profile
DAkkS D-ML-13031-01-01 St. Ingbert, DE
Lamotrigin Metanephrine, Normetanephrine Erythrozyten Aripiprazol Lymphozyten + 3 more
View Profile
DAkkS D-K-18784-02-00 Hessisch Oldendorf, DE
− Temperatur-Blockkalibratoren Railway brake — magnetic track brakes (U nur Vor-Ort-Kalibrierungen Temperaturmess- 30 °C - Hochspannungsmessgrößen + 2 more
View Profile

Bizerba SE &

Active
DAkkS D-PL-15018-01-00 Balingen, DE
IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 IEC 61000-4-6: 2013 + 3 more
View Profile

Blower Door

Active
DAkkS D-K-19788-01-00 Springe-Eldagsen, DE
Positiver und negativer verwendete Abkürzungen: DKD-R
View Profile
DAkkS D-PL-12084-01-00 Hamburg, DE
IEC 60945 IEC 61162-1 IEC 61162-2 IEC 61162-450 IEC 61162-460 + 3 more
View Profile
DAkkS D-K-15063-01-00 Berlin, DE
Radioaktivität 50 Bq/m³ Radon-222- 100 Bq/m³ tration in Luft 200 Bq/m³ + 3 more
View Profile
DAkkS D-PL-11075-01-01 Berlin, DE
DIN EN ISO 2808 DIN EN ISO 3219-2 DIN EN ISO 3838 DIN EN 933-1 DIN EN 933-4 + 3 more
View Profile
DAkkS D-K-11075-08-00 Berlin, DE
Conformity assessment — requirements for Railway composite brake blocks — require 0,2 kN 0,4 kN 100 kN + 3 more
View Profile
DAkkS D-ML-13381-01-01 Berlin, DE
NRBC-Normoblasten Anteil unreifer Retikulozyten Erythrozyten DELTA-He Leukozyten + 3 more
View Profile
DAkkS D-ML-13381-01-00 Berlin, DE
Blutungszeit PFA ADP Blutungszeit PFA EPI PFA-P2Y Erythrozyten Hämatokrit + 3 more
View Profile
DAkkS D-K-20476-01-01 Dortmund, DE
/ Messgeräte Radiometrie 100 µW/cm² stärkemessgeräte UV-A 365nm Linearität der + 3 more
View Profile
DAkkS D-K-20113-01-00 Wuppertal, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) verwendete Abkürzungen:
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