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
🇩🇪
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
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Showing 1,526–1,550 of 1,560 labs
amedes Medizinisches Versorgungszentrum für Laboratoriumsmedizin, Mikrobiologie und Genetik Hamburg
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Thombozyten-Funktionstest
10-OH-Carbazepin
11-Deoxycorticosteron
11-Deoxycortisol
21-Deoxycortisol
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IEC 61400-1 *
IEC 61400-12-1 Ed. 2.0 *
IEC 61400-12-1 *
IEC 61400-50 *
IEC 61400-50-1 *
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bactologicum
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DIN EN 1040
DIN EN 1275 2006-03
IEC 60127-6
DIN EN 12791 2018-01
DIN EN 13624 2022-08
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biomedis Kalibrierservice
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Vickers hardness test (ISO 6507)
Kolbenhubpipetten*
Einzelhubdispenser*
Mehrfachdispenser*
Railway braking — urban guided transport
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biovis Diagnostik MVZ
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Lysozym
= Sexualhormon bindendes
Prolaktin
Freies Thyroxin 4 (FT4)
Beta-Defensin 2
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Relative Feuchte / 10 %
Wasseraktivität
hygrometrische
*) > 30 %
Einstechsensoren und
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Hochspannung
- Wechselspannung
Bereiche
Rechteckspannung
Amplitudenparameter
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eumetron
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− Durchmesser
− Parallelendmaße
− Formabweichung
− Strichmaße, Abstände
− Virtuelle Koordinatenmessgeräte
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eurofins Umwelt West
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DIN 19698-1
DIN 19698-2
DIN ISO 11464
DIN EN ISO 54321
DIN EN 12457-4
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halstrup-walcher
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Positiver und negativer
Positiver Überdruck p e
1) In den CMC sind die erweiterten Messu
i2 FAST
Active
BS 4401-1:1998 Using
N008-1 based on BS EN
ISO 12966-4 2015
N008-2 based on BS EN
N011 based on BS 4401-9:1975 and BS 770-
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iLF Magdeburg
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DIN EN ISO 9117-3
DIN EN ISO 9117-5
DIN EN ISO 1463
DIN EN ISO 2808
DIN EN ISO 2178
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Taupunkttemperatur
–0,91 bar bis
Positiver und negativer
Überdruck p *)
(ein- oder mehrgängige
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ifp-labs UK West Yorkshire
Active
on BS 4401:Part 3:1970(1986)
ISO 12966-1:2014 and
ISO 12966-4
CH 4026 based on BS 5766:Part
CH 4001 based on BS EN 12014-
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ift Rosenheim
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ASTM E 330/E 330M
ASTM E 283/E283M
DIN 4103-1
DIN 68706-1
UNE-EN 12211
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DIN EN ISO 5667-1 (A 4)
DIN ISO 5667-5 (A 14)
DIN EN ISO 5667-3 (A 21)
DIN EN ISO 19458 (K 19)
DIN 19643-1
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Taupunkttemperatur
fixpunktzellen
Railway braking — urban guided transport
Railway vehicle body structural requirem
SPRT-Sensor
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Absolutdruck p
abs
> 0,8 bar
> 1,2 bar
> 20 bar
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iocto
Active
Taupunkttemperatur
direktanzeigende −45 °C
Railway vehicle body structural requirem
Widerstandssensor
direktanzeigende > 200 °C
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Basophile
Eosinophile
Erythrozyten
Hämatokrit
Leukozyten
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Großes Blutbild
TSH
Immunglobulin E
25-OH-Vitamin D
Vitamin B12
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Basophile
Eosinophile
Erythrozyten
Hämatokrit
Leukozyten (Zellzahl)
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qbig
Active
Durchflussmess- 13 m³/h
- Hochspannungsmessgrößen
> 25 m³/h
Volumendurchfluss
> 40 m³/h
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