Scope
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
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NBN EN 14531-1
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DIN EN 14531-1
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BS EN 14531-1
🇫🇷
NF EN 14531-1
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UNI EN 14531-1
🇪🇸
UNE EN 14531-1
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NEN EN 14531-1
3,963
Accredited labs
21
Countries
Showing 1,401–1,425 of 3,963 labs
GREEN HAS ITALIA SPA
Active
DIN EN 61482-2
DIN EN 15959
UNI EN 16963
NF EN 1482-2
UNI EN 15959
+ 3 more
GREENLAB GROUP
Active
DIN EN 27888
DIN ISO 16649-2
DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 7932
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DIN EN ISO 27971
BS EN 15662
DIN EN 12014-2
DIN EN 12396-2
BS EN ISO 3093:2009
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GROEP LABOREX nv
Active
NBN EN 933-3
NBN EN 933-1
Méthode dérivée à la NBN EN 933-9
NBN EN 13863-3
NBN EN 12504-1
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GRUPPO ECOSAFETY SRL
Active
ISO 4832
DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 11290-1
DIN EN ISO 11290-2
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DIN EN ISO 7438
DIN EN ISO 4136
DIN EN ISO 5173
DIN EN ISO 9016
DIN EN ISO 9017
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GTM Testing and Metrology
Active
Vickers hardness test (ISO 6507)
Technical cleanliness of fluid system co
Sound power — survey method (ISO 3746)
Railway — traction effort and braking fo
Kraft
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GTÜ Prüfmittelservice
Active
positiver Überdruck
Gaskonzentration
Kohlenstoffmonoxid CO
Kohlenstoffdioxid CO2
Abgasmessgeräte für
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9,8 L ≤ V ≤ 10,2 L (25 L/h ≤ Q ≤ 500 L/h
98 L ≤ V ≤ 104 L (250 L/h ≤ Q ≤ 5000 L/h
970 L ≤ V ≤ 1005 L (2500 L/h ≤ Q ≤ 20000
1305 L ≤ V ≤ 1350 L (5000 L/h ≤ Q ≤ 8000
2660 L ≤ V ≤ 2700 L (5000 L/h ≤ Q ≤ 1000
ID116
DIN 51757
DIN EN ISO 12185
DIN EN ISO 3405
DIN EN 13016-1
+ 3 more
*6058821, CDH1 [OMIM *1920901
DIN EN ISO 19458
DIN EN 13126-19
DIN EN ISO 10523 (C 5)
DIN EN 27888 (C 8)
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GWA SRL - Divisione G-LAB
Active
ISO 11731
ISO 6222
ISO 7899-2
ISO 9308-1
ISO 4833-1
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-22018G/A, rs182549
Mutation A844G, rs1799889
(SPG42), SPAST (SPG4), SPG11, SPG7, VAMP
VDE 0468-2
DIN EN 60068-2-67
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Gateshead Health NHS Foundation Trust operating as South of Tyne & Wear Clinical Pathology Services
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Ethanol
Digoxin
HbA1c
Cortisol
Glucose
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Geambiente
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DIN EN 27888
DIN EN 12880
DIN EN ISO 11885
DIN EN 13657
DIN EN ISO 10523
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Cortisol
Testosteron
Androstendion
CA 125
Anti-HBc
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Massaspectrometrie
Pre-analyse
Moleculaire diagnostiek d.m.v. PCR
Fenotypische karakterisatie
Antilichaambepaling d.m.v. immuno- assay
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- Gleichstromstärke
Aminosäuren
Gesamt-Eiweiß
Psilocin
Lidocain
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Cannabinoide
Psilocin
MDMA
3-Fluormethcathinon
Lysergsäurediethylamid
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DIN EN ISO 12185
DIN EN 14078
DIN EN 14111
DIN EN 14104
DIN EN ISO 14596
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Genomics England
Active
Whole human genome sequencing data from
Structural Variant (SVs) incl. | Dux4 re
data from an external source data from a
Copy Number Variants (CNVs) larger than
Structural Variant (SVs) incl. | Interna
+ 3 more
GeoChimie Srl Unipersonale
Active
EPA 9045
UNI EN 14039
APAT CNR IRSA 2030 Man 29 2003
APAT CNR IRSA 2060 Man 29 2003
APAT CNR IRSA 4030 A2 Man 29 2003
+ 1 more
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