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
3,525
Accredited labs
21
Countries
Showing 226–250 of 3,525 labs
Airbus Defence and Space
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Sound power — in-situ using reference so
- Gleichspannung
- Kapazität
Quellen
100 nF
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Airtech Analysis
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(HSG 264, 2012)
Surveying for asbestos in premises
(HSG 248) – 2021
staining based on HSG 248
(PCM) based on HSG 248
DIN EN 27888
DIN EN 932-1
DIN EN 932-2
DIN EN 933-1
DIN EN 933-3
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Akustikberatung Wiemers
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Sound intensity — scanning method (ISO 9
Acoustics — estimation of noise-induced
Sound system equipment — speech transmis
Vibration measurements near traffic — me
Vibration measurements near traffic — ev
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Salt spray / neutral salt fog test (ISO
ISO 6270-2
ASTM D 522
ISO 2813
ISO 16474-2
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Alchim Società Cooperativa
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DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 11290-1
DIN EN ISO 21528-2
DIN EN ISO 11885
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DIN EN ISO 15587-2
DIN EN ISO 10523
DIN EN 14346
DIN EN ISO 10304-1
DIN EN 15934
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Ethanol
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ISO 13320
ISO 13099-2
ISO 11357-1
ISO 22412
BS ISO 9277:2010
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DIN EN ISO 16994
DIN EN 15408
DIN EN 16117-1
DIN EN ISO 21654
DIN EN 15411
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Alimentary Innervations
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Upper GI | Impedance
Breath Tests (13C Urea, Acetate, Octanoi
Postal and In Clinic Breath Tests – Foil
Lower GI | Biofeedback Therapy
Lower GI | Defecating Proctograms
Alimenti e Ambiente Srl
Active
DIN EN 27888
ISO 4832
ISO 21527-1
ISO 21527-2
DIN ISO 16649-2
+ 3 more
Allgäuer Messzentrum
Active
Salt spray / neutral salt fog test (ISO
510 mm
elektronische Waagen
(Härteskalen HV0,01
Durchmesser 1 mm
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Allied Aerosystems
Active
(enzephalomyopathische Form
DC Resistance
Hydraulic pressure (gauge)
TEMPERATURE
DC VOLTAGE
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Allkema Engineering srl
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DIN EN 27888
DIN EN 13657
DIN EN ISO 10523
DIN EN 14346
DIN EN ISO 10304-1
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Alpha EMC
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EN IEC 61000-4
IEC 61000-3-2: 2014
IEC 61326-1: 2012
IEC 61547
IEC 61800-3
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Ambienta Srl
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DIN EN 27888
DIN EN 12880
DIN EN ISO 10523
DIN EN ISO 10304-1
DIN EN 15934
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Ambientale srl
Active
dbSNP rs1800562, rs1799945, rs1800730, r
DIN EN 27888
ISO 4832
ISO 21527-1
DIN ISO 16649-2
+ 3 more
DIN EN ISO 11885
DIN EN 13657
DIN EN ISO 17294-2
DIN EN 1484
DIN EN 13137
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Digitoxin
Digoxin
HbA1c
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Cortisol
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angeborener Chromosomensatz
erworbener Chromosomensatz
Fra(X)-Syndrom, FXTAS (FMR1)
Friedreich Ataxie (FXN)
DRPLA (ATN1)
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Aldosteron
Cortisol
Testosteron
Androstendion
AMH
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Amentum Clean Energy
Active
(HSG 248) – 2021
(PCM) based on HSG 248
OM H-3 based on ISO 9698:2019
ISO 9696:2017 and ISO
staining based on HSG 248.
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