Stiffness characteristics of railway buffers: requirements, testing and proposal of a new computational model

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25510%2F25%3A39922795" target="_blank" >RIV/00216275:25510/25:39922795 - isvavai.cz</a>

Výsledek na webu

<a href="https://acm.kme.zcu.cz//article/view/934" target="_blank" >https://acm.kme.zcu.cz//article/view/934</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.24132/acm.2025.934" target="_blank" >10.24132/acm.2025.934</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Stiffness characteristics of railway buffers: requirements, testing and proposal of a new computational model

Popis výsledku v původním jazyce

In European railways, the use of UIC draw gear and side buffers to connect individual railway vehicles within a train is still established. The buffers ensure the transmission of longitudinal compressive forces between the adjacent vehicles; longitudinal tensile forces are transmitted by means of the UIC draw gear, a drawbar hook and a screw coupling. Therefore, the stiffness characteristics of the draw and buffing gear are important from the point of view of longitudinal train dynamics, as well as running safety. This paper deals with the stiffness characteristics of railway buffers. The basic requirements for suspension elements used in the buffers are summarised. The solution of tasks in the field of modelling of dynamic phenomena during train running requires knowledge of the dynamic stiffness characteristics of these elements, which, however, are not determined by default. Therefore, experimental measurements of these characteristics were made on the dynamic test stand of the Faculty of Transport Engineering of the University of Pardubice. The experience from the evaluation of these measurements is summarised in the paper. Furthermore, attention is paid to the development of a new computational model of the buffers for use in multibody simulations, considering the results of the physical tests.

Název v anglickém jazyce

Stiffness characteristics of railway buffers: requirements, testing and proposal of a new computational model

Popis výsledku anglicky

In European railways, the use of UIC draw gear and side buffers to connect individual railway vehicles within a train is still established. The buffers ensure the transmission of longitudinal compressive forces between the adjacent vehicles; longitudinal tensile forces are transmitted by means of the UIC draw gear, a drawbar hook and a screw coupling. Therefore, the stiffness characteristics of the draw and buffing gear are important from the point of view of longitudinal train dynamics, as well as running safety. This paper deals with the stiffness characteristics of railway buffers. The basic requirements for suspension elements used in the buffers are summarised. The solution of tasks in the field of modelling of dynamic phenomena during train running requires knowledge of the dynamic stiffness characteristics of these elements, which, however, are not determined by default. Therefore, experimental measurements of these characteristics were made on the dynamic test stand of the Faculty of Transport Engineering of the University of Pardubice. The experience from the evaluation of these measurements is summarised in the paper. Furthermore, attention is paid to the development of a new computational model of the buffers for use in multibody simulations, considering the results of the physical tests.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

20301 - Mechanical engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Applied and Computational Mechanics

ISSN

1802-680X

e-ISSN

2336-1182

Svazek periodika

19

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

18

Strana od-do

69-86

Kód UT WoS článku

—

EID výsledku v databázi Scopus

2-s2.0-105010723191