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
3,963
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Rotavirus
Neisseria gonorrhoeae DNA
Chlamydia trachomatis-DNA
Measurement
Norovirus
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EDTA Whole Blood Blood Grouping: | SOP 1
Kings Drive | +44 (0) 300 131 4497
EDTA Whole Blood Full blood counts and a
MCH | HAJ-184
EDTA Whole Blood Erythrocyte Sedimentati
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Paediatric Audiology | Otoscopy
Paediatric Audiology | History taking
Paediatric Audiology | Tympanometry
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Paediatric Audiology | Play Audiometry
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Ebinger Waagenbau
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Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
elektronische Waagen
− Waagen
nichtselbsttätige
Eckert & Ziegler Analytics
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1,0 ∙ 10
20 Bq
Referenzmagnetsysteme, 1,3 · 10
Measurement
1·10 -2
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Location details | Activity
Specific Activity
E > 250 keV
Beta emitting nuclides
E avg < 100 keV
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Eckert & Ziegler Nuclitec
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Aktivität
20 Bq
Alphastrahler, Aktivität (> 20 Bq bis 30
Spezifische Aktivität
radioaktiver Lösungen 20 Bq·g
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Eco Center SpA
Active
dbSNP rs1800562, rs1799945, rs1800730, r
DIN EN 27888
DIN EN 13126-19
DIN EN ISO 10523
DIN EN ISO 12846
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Eco chimica
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ISO 4832
ISO 21527-2
DIN EN ISO 4833-1
DIN EN ISO 13720
DIN EN ISO 21528-2
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Ecobioqual Srl
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DIN EN 14869-2
ISO 11731
DIN 22022-7
ISO 6222
DIN EN 15634-1
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DIN EN 12880
DIN EN ISO 19458
DIN EN 15408
DIN EN ISO 15587-2
DIN EN 1484
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ISO 5660-1
DIN EN ISO 9239-1
DIN EN 1021-1
EN ISO 1182
EN ISO 1716
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EN ISO 1716
EN ISO 11925-2
BS 1363-1
DIN 10964
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Elektro Struß
Withdrawn
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/ Messgeräte
Wechselstromstärke 100 µA
> 11 A
> 3A
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Elektro Wilhelm
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- Direktanzeigende Thermometer
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direktanzeigende > 200 °C
Taupunkttemperatur
1) In den CMC sind die erweiterten Messu
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Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Railway brake — magnetic track brakes (U
Railway brakes — electropneumatic brakes
- Direktanzeigende Thermometer
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dbSNP rs1800562, rs1799945, rs1800730, r
DIN EN 1948-4
(HSG 248) – 2021
(PCM) based on HSG 248
based on BS EN 12457
DIN EN 10160
DIN EN ISO 17638
DIN EN ISO 9934-1
DIN EN 1369
DIN EN 10228-1
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ISO 6270-2
ISO 15835-2
ISO 2808
ISO 3057
ISO 12135
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ISO 6270-2
ISO 15835-2
ISO 2808
ISO 3057
ISO 12135
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
DIN EN ISO 1463
DIN EN ISO 6892-2
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ISO 3795
DIN EN 60068-2-14
DIN EN 60068-2-30
DIN EN 60068-2-78
IEC 60068-2-2
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Element Metech
Active
Quellen
> 10 m
- Direktanzeigende Thermometer
abs
> −0,02 bar
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Element Metech KDK
Active
Vickers hardness test (ISO 6507)
Salt spray / neutral salt fog test (ISO
Railway brake — disc brake components (U
Railway brake — anti-slide device (UIC 5
Railway brake — magnetic track brakes (U
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