NS-EN 15302:2021
Current
The latest, up-to-date edition.
Railway applications — Wheel-rail contact geometry parameters — Definitions and methods for evaluation
Hardcopy
English
01-10-2021
This document establishes definitions and evaluation methods for wheel-rail contact geometry parameters influencing the vehicle running dynamic behaviour: - the rolling radius difference between the two wheels of a wheelset (Δr-function) which serves as a basis for all further calculations; - the equivalent conicity function from which are derived: - a single equivalent conicity value for a specified amplitude which is relevant for the assessment of vehicle running stability on straight track and in very large radius curves according to EN 14363; - the nonlinearity parameter which characterizes the shape of this function and is related to the vehicle behaviour particularly in the speed range close to the running stability limit; - the rolling radii coefficient which is used to describe the theoretical radial steering capability of a wheelset in a curved track.
| DocumentType |
Standard
|
| Pages |
144
|
| PublisherName |
Norwegian Standards (Norges Standardiseringsforbund)
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 15302:2021 | Identical |
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