EN 14531-6:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Railway applications - Methods for calculation of stopping and slowing distances and immobilisation braking - Part 6: Step by step calculations for train sets or single vehicles
12-01-2015
05-20-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
3.1 Terms and definitions
3.2 Symbols and indices
4 General algorithms
4.1 General algorithm to calculate stopping and slowing
distances
4.2 General algorithm to calculate immobilization brake
5 Stopping and slowing distances calculation
5.1 Accuracy of input values
5.2 General characteristics
5.3 Brake equipment characteristics
5.4 Initial and operating characteristics
5.5 Sharing, proportioning of the brake forces - achieved
forces
5.6 Braking force per axle
5.7 Total force on train level
5.8 Time step integration loop
5.9 Other decelerations
5.10 Time
5.11 Distance calculations
5.12 Other calculations
6 Immobilization brake calculation
6.1 General
6.2 General characteristics
6.3 Characteristics of the immobilization brake equipment
6.4 Train and operating characteristics
6.5 Immobilization force provided by each equipment type
6.6 Immobilization force
6.7 External forces
6.8 Final results
Annex A (normative) - Workflow of kinetic and static
calculations
Annex B (informative) - Example of time step integration
loop
Annex C (informative) - Example of distance and other
dynamic calculations
C.1 Input data
C.1.1 Mass data
C.1.2 Wheel data
C.1.3 Train resistance
C.1.4 Data for brake equipment types
C.1.5 Characteristics and settings of the brake
equipment
C.1.6 Initial and final speed
C.1.7 Gradient
C.2 Calculation results
C.2.1 Braking force of single equipments and train
resistance
C.2.2 Total braking force per equipment type and
train resistance
C.2.3 Distances
C.2.4 Stopping time
C.2.5 Equivalent response time
C.2.6 Equivalent deceleration
C.2.7 Decelerations
C.2.8 Required adhesion
Annex D (informative) - Example of immobilisation calculations
D.1 Input data
D.1.1 Mass data
D.1.2 Wheel data
D.1.3 Train resistance
D.1.4 Wind force on the train
D.1.5 Data for axle related disc brake equipment
D.1.6 Gradient
D.1.7 Available adhesion
D.1.8 Brake equipment in use
D.2 Calculation results of the immobilisation calculation
D.2.1 Immobilisation force
D.2.2 Immobilisation safety factor
D.2.3 Required adhesion per axle
D.2.4 Maximum achievable gradient
Annex ZA (informative) Relationship between this European
Standard and the Essential Requirements of EC
Directive 2008/27/EC
Bibliography
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