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
1,560 Accredited labs
17 Countries

Showing 801–825 of 1,560 labs

DAkkS D-ML-19665-02-00 Ritschenhausen, DE
Differentialblutbild Automat Eosinophile, Basophile, Normoblasten, ni MN (mononukleare Zellen) Leukozyten Retikulozyten, Retikulozyten Hb + 3 more
View Profile
DAkkS D-PL-14586-01-02 Bad Liebenwerda, DE
DIN 38402-A 11 DIN 38402-A 12 DIN 38402-A 13 DIN ISO 5667-5 (A 14) DIN EN ISO 5667-6 (A 15) + 3 more
View Profile
DAkkS D-ML-19493-02-00 Krefeld, DE
HCG, ß-HCG Ampicillin Cefipim Hämoglobin A1c (HbA1c) Linecolid + 3 more
View Profile
DAkkS D-ML-13273-01-00 Minden, DE
Differentialblutbild Kleines Blutbild (maschinell) Thrombozyten Unreife Thrombozyten (IPF) Urinsediment (maschinell) + 3 more
View Profile
DAkkS D-ML-17683-01-00 Darmstadt, DE
HbA1c Großes Blutbild Kleines Blutbild Retikulocyten Natriumchlorid + 3 more
View Profile
DAkkS D-ML-13243-01-00 Georgsmarienhütte, DE
Verschlußzeiten 10-Hydroxycarbamazepin + Oxcarbazepin Amiodaron + Desmethylamiodaron Amisulprid + 3 more
View Profile
DAkkS D-ML-13243-01-01 Georgsmarienhütte, DE
IGF-1 (Somatomedin C) Lamotrigin HbA1c Aldosteron Albumin + 3 more
View Profile
DAkkS D-ML-18474-01-01 Frankfurt am Main, DE
17-OH-Progesteron Androstendion Everolimus Metanephrin, Normetanephrin Methylmalonsäure + 3 more
View Profile
COFRAC 1-1140 Dammarie Les Lys, FR
NF EN ISO 19340 DIN EN ISO 10304-1 DIN EN ISO 15061 ISO 5815-1 NF T 90-117 + 3 more
View Profile
COFRAC 1-1519 Draguignan, FR
NF T 90-412 DIN EN ISO 7899-1 NF U47-101 DIN EN ISO 21528-2 DIN EN ISO 6888-2 + 3 more
View Profile
COFRAC 1-6426 12 Et 14 Lot. Mauritania Q.I Sidi Bernoussi | - Casablanca | Maroc, MA
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
View Profile
COFRAC 1-5018 Pompey, FR
ASTM E8/E 8M DIN EN 10002-1 DIN EN ISO 6892-2 ASTM A 370 (BS EN ISO 6892-1: 2019) + 3 more
View Profile
COFRAC 1-5570 Lille, FR
NF X 43-269 NF X 43-269 - Annexe K NF X 43-050 (parties utiles NF X 43-050 ISO 16000-7
View Profile
COFRAC 1-1083 Toulon Armees, FR
NF X 43-050 DIN EN ISO 10703 DIN EN ISO 17294-2 DIN EN ISO 14403-2 DIN EN ISO 10704 + 3 more
View Profile
COFRAC 1-6419 Sainghin-En-Melantois, FR
DIN EN 17126 DIN EN 14562 DIN EN 14348 IEC 60127-5 DIN EN 14563 + 3 more
View Profile
COFRAC 1-6395 Cherbourg-En-Cotentin, FR
NF ISO 22262-1 (parties utiles de la NF X43-050 (parties utiles de NF ISO 22262-1 (parties utiles NF X43-050 (parties utiles de la
View Profile
COFRAC 1-1064 La Roche-Sur-Yon Cedex 9, FR
DIN ISO 11665-4 DIN 53483-2 DIN EN ISO 7937 NF V08-050 NF V 08-060 + 3 more
View Profile
COFRAC 1-5094 Grand Bourgtheroule, FR
NF X 43-050 NF X 43-269 - Annexe K NF ISO 22262-1 (parties utiles de NF X43-050 (parties utiles de la DIN EN 14346 + 1 more
View Profile
COFRAC 1-6063 Chavanod, FR
NF ISO 22262-1 (parties utiles de la DIN EN 14346 NF ISO 22262-1 (parties utiles de NF X43-050 (parties utiles de la
View Profile
DAkkS D-ML-17159-01-00 Berlin, DE
Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Hämatokrit Leukozyten + 3 more
View Profile
DAkkS D-ML-18033-01-00 Köln, DE
Liste aller Untersuchungsverfahren im fl Webpräsenz des Medizinischen Laboratoriu HbA1c Basophile Basophile absolut + 3 more
View Profile
DAkkS D-ML-18493-01-00 Darmstadt, DE
HbA1c Großes Blutbild Kleines Blutbild Retikulocyten Natriumchlorid + 3 more
View Profile
DAkkS D-ML-13247-01-01 Sindelfingen, DE
Ristocetin Kofactor Aktivität Willibrand Faktors a-Hydroxy-Alprazolam Amilsulprid 7-amino-Flunitrazepam + 3 more
View Profile
UKAS 0495 Chorley, GB
PRESSURE (cont’d) Distortion Factor Spot frequency Phase angle (Herpes simplex virus type + 3 more
View Profile
UKAS 0937 Chessington, GB
(HSG 248) – 2021 (PCM) based on HSG 248 P-12 based on HSG 248
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