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
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NF EN 14531-1
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UNI EN 14531-1
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UNE EN 14531-1
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NEN EN 14531-1
3,963
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21
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Showing 1,201–1,225 of 3,963 labs
Envirosafe Testing
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(HSG 248) – 2021
(PCM) based on HSG 248
SOP 3 based on HSG 248
Epilepsy Society
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Epilepsy Society
Serum and plasma Brivaracetam | TDM-TST-
Carbamazepine + carbamazepine-epoxide (m
Clobazam + Desmethylclobazam (metabolite
Clonazepam
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11p15 MLPA
Monsterverwerking: registratie, opslag
Ondersteuning bij puncties
Histochemische kleuringen
Immuunhistochemische kleuringen
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BS SOP004 using sandwich immunoassay
Elektroforese/Iso-electrofocussing
Fragment Lengte variant onderzoek
Chromosomale varianten onderzoek
Copy Number Variant (CNV) onderzoek
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Whole-body vibration — evaluation of hum
messeinrichtungen von
Werkstoffprüfmaschinen
Länge (WPM)
> 100 G
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Esenwein
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- Gleichstromstärke
- Gleichstromwiderstand
Quellen
/ Messgeräte
1) In den CMC sind die erweiterten Messu
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Essex Asbestos Testing
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(HSG 248) – 2021
(PCM) based on HSG 248
TP03 based on HSG 248
PRESSURE
DC Resistance
DC VOLTAGE
AC CURRENT
DC CURRENT
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Eton Environmental Group
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(HSG 248) – 2021
(PCM) based on HSG 248
TP005, based on HSG 248
DIN EN 14511-3
DIN EN 14511-4
DIN EN 14825
DIN EN 16147
DIN EN 12102-1
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Eurocert SpA
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DIN EN ISO 11885
DIN EN ISO 10304-1
ISO 11731
ISO 10304-1
ISO 6222
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DIN EN ISO 17637
DIN EN ISO 17638
DIN EN ISO 17636-1
DIN EN ISO 16809
DIN EN ISO 17640
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DIN EN 12880
DIN 18123
DIN 18121-1
DIN 19682-2
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DIN ISO 16000-3
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DIN EN 12880
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DIN 18123
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DIN EN 15111
ISO 4831
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Eurofins Chemtest
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DIN EN 12457-2
DIN EN 12457-3
(HSG 248) – 2021
(PCM) based on HSG 248
staining based on HSG 248.
Whole blood Non-Invasive Prenatal Testin
Aneuploidies in Chromosome 13, | Prenata
Non-Invasive Prenatal Testing for Aneupl
18, 21, X and Y and Foetal sexing | Illu
18, 21, X and Y and Foetal sexing | CLIN
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ISO 5815-1
ISO 5815-1, ISO 5815-2 en WAC/III/D/010
ISO 15705 en WAC/III/D/020
WAC/III/D en ISO 16265
WAC/III/D/036, CMA/2/I/C.2.2 en ISO 1440
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Flicker
Total Harmonic Distortion
HF-Transmission Phase
CFH-Gen, Macula-Degeneration
IEC 61000-4-2: 2008
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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
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Eurofins Food Testing UK
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ISO 21527-1
ISO 4833-1
ISO 15213-2
ISO 10272-1
ISO 16654
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Eurofins Food Testing UK
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ISO 4832
DIN ISO 16649-1
ISO 6579-1
ISO 6888-1
ISO 13720
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