Publication result detail

Influence of climatic conditions on adhesion in the wheel-rail contact

GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M.

Original Title

Influence of climatic conditions on adhesion in the wheel-rail contact

English Title

Influence of climatic conditions on adhesion in the wheel-rail contact

Type

Paper in proceedings (conference paper)

Original Abstract

The goal of this study was to investigate the effect of climatic conditions on adhesion in the wheel-rail contact. For this purpose, a ball-on-disc tribometer was utilized which enables to precisely control climatic conditions, mainly temperature and air humidity. Apart from these conditions, the influence of leaf layer on adhesion was investigated. The special attention was paid to water condensation which can cause a further adhesion decrease. Obtained results showed that a combination of high relative humidity and a presence of leaf layer can significantly reduce adhesion in the contact, even below a value 0.1 which is needed to traction and braking.

English abstract

The goal of this study was to investigate the effect of climatic conditions on adhesion in the wheel-rail contact. For this purpose, a ball-on-disc tribometer was utilized which enables to precisely control climatic conditions, mainly temperature and air humidity. Apart from these conditions, the influence of leaf layer on adhesion was investigated. The special attention was paid to water condensation which can cause a further adhesion decrease. Obtained results showed that a combination of high relative humidity and a presence of leaf layer can significantly reduce adhesion in the contact, even below a value 0.1 which is needed to traction and braking.

Keywords

Adhesion; wheel-rail contact; humidity

Key words in English

Adhesion; wheel-rail contact; humidity

Authors

GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M.

RIV year

2021

Released

17.09.2018

Publisher

Malaysian Tribology Society

Location

Malajsie

ISBN

978-967-13625-2-5

Book

Proceedings of Asia International Conference on Tribology 2018

Pages from

242

Pages to

243

Pages count

2

URL

https://www.tribopedia.com/paper/asiatrib2018/Asiatrib-2018-242-243.pdf

BibTex

@inproceedings{BUT170146,
  author="Radovan {Galas} and Milan {Omasta} and Ivan {Křupka} and Martin {Hartl}",
  title="Influence of climatic conditions on adhesion in the wheel-rail contact",
  booktitle="Proceedings of Asia International Conference on Tribology 2018",
  year="2018",
  pages="242--243",
  publisher="Malaysian Tribology Society",
  address="Malajsie",
  isbn="978-967-13625-2-5",
  url="https://www.tribopedia.com/paper/asiatrib2018/Asiatrib-2018-242-243.pdf"
}