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
🇩🇪
DIN EN 14531-1
🇬🇧
BS EN 14531-1
🇫🇷
NF EN 14531-1
🇮🇹
UNI EN 14531-1
🇪🇸
UNE EN 14531-1
🇳🇱
NEN EN 14531-1
3,525
Accredited labs
21
Countries
Showing 3,501–3,525 of 3,525 labs
Vibration measuring instruments — test m
Acoustics — tonality assessment (DIN 456
Whole-body vibration — evaluation of hum
Railway braking — urban guided transport
Railway vehicle body structural requirem
+ 3 more
Railway brakes — disc brake pads (UIC 54
Railway pantographs — requirements for m
abs
> 2,0 bar
Druck −1,0 bar
+ 3 more
abs
> 2,0 bar
Druck −1,0 bar
> 0,0 bar
> 20 bar
+ 3 more
iocto
Active
Railway braking — urban guided transport
Railway braking — urban guided transport
Railway vehicle body structural requirem
abs
direktanzeigende > 200 °C
+ 3 more
Ethanol
Digitoxin
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HbA1c
Aldosteron
+ 3 more
m.c.m. Ecosistemi
Active
DIN EN ISO 4833-1
DIN EN 14039
DIN EN ISO 9377-2
DIN EN 13284-1
DIN EN 61482-2
+ 3 more
HbA1c
Estradiol (E2)
Testosteron
Creatinkinase (CK)
Zink
+ 3 more
muva kempten
Active
DIN EN 15111
ISO 18787
DIN 10964
DIN EN ISO 4120
DIN EN ISO 6887-2
+ 3 more
pH SrL
Active
dbSNP rs1800562, rs1799945, rs1800730, r
ISO 18787
ISO 4832
ISO 15214
ISO 21527-1
+ 3 more
qbig
Active
Elektrische Messgrößen
- Hochspannungsmessgrößen
Volumendurchfluss
− Hochspannungsmessgrößen
Durchflussmess- 13 m³/h
+ 3 more
Railway braking — urban guided transport
Railway vehicle body structural requirem
Railway pantographs — requirements for m
positiver Überdruck
Taupunkttemperatur
+ 3 more
steep GmbH EMV-Zentrum
Active
DIN EN 50155
VDE 0115-200
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
+ 3 more
stichting star-shl
Active
BS SOP004 using sandwich immunoassay
Massaspectrometrie
Bloedafname (extra-muraal)
Chromatografie waaronder HPLC,UPLC,GC
Semenanalyse incl. morfologie en motilit
+ 3 more
Aldosteron
Cortisol
Glucose
Zink
Aminosäuren
+ 3 more
DIN EN ISO 9239-1
EN ISO 1182
EN ISO 1716
EN ISO 11925-2
EN 13501-1
+ 3 more
tech-team Kalibrierlabor
Active
- Gleichstromwiderstand
1) In den CMC sind die erweiterten Messu
> 100 µA
330 V
Wechselstromstärke 100 µA
+ 3 more
velotech.de
Active
DIN EN 15194: 2018
DIN EN 15496
DIN EN 14619
DIN EN 15918
DIN 79008-1
+ 3 more
wbm Prüflabor
Active
DIN EN 10160
DIN EN ISO 16810
DIN EN ISO 17637
DIN EN ISO 17638
DIN EN ISO 9934-1
+ 3 more
HABP2-Gen (c.1601G>A) rs7080536
rs11887534
DIN EN ISO 16535
DIN EN 303-4
DIN EN 303-5
+ 3 more
ÖHMI Analytik
Active
DIN EN 12879
DIN EN 12880
DIN EN ISO 19458
DIN EN ISO 11885
DIN EN ISO 10523 (C 5)
+ 3 more
DIN EN 12681-1
ASTM D 3343
DIN EN 50491-5-1
DIN EN 1015-10
DIN EN 20105-A02
+ 3 more
Ethanol
Digitoxin
Digoxin
Aldosteron
Cortisol
+ 3 more
Überörtliche Berufsausübungsgemeinschaft Fachärzte für Laboratoriumsmedizin und Mikrobiologie
Active
Digitoxin
Digoxin
Aldosteron
Cortisol
Alkalische Phosphatase
+ 3 more
Digitoxin
Digoxin
Aldosteron
Cortisol
Testosteron
+ 3 more
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