Publication detail

Numerical prediction on the effect of friction modifiers on adhesion behaviours in the wheel-rail starved EHL contact

LI, Q. WU, B. DING, H. GALAS, R. KVARDA, D. LIU, Q. ZHOU, Z. OMASTA, M. WANG, W.

Original Title

Numerical prediction on the effect of friction modifiers on adhesion behaviours in the wheel-rail starved EHL contact

Type

journal article in Web of Science

Language

English

Original Abstract

Previous third body studies for wheel/rail are mainly concentrated on water or oil condition. However, friction modifiers (FMs) represent a new approach to managing adhesion coefficient in wheel/rail interface. In this paper, the position of the FM-air meniscus was given as input parameter, the thickness of FM can be solved easily with the multi-grid method. Non-Newtonian fluid model and micro-EHL analysis combined to obtain the relation between the adhesion coefficient and the quantity of FM. The results show that the quantity of FM has a significant effect on the initial adhesion coefficient within a certain range. Besides, the initial adhesion coefficient decreases gradually until it reach stable value with the increase of the quantity of FM.

Keywords

friction modifier; applied quantity; starved EHL; wheel; rail adhesion

Authors

LI, Q.; WU, B.; DING, H.; GALAS, R.; KVARDA, D.; LIU, Q.; ZHOU, Z.; OMASTA, M.; WANG, W.

Released

8. 3. 2022

Publisher

Elsevier

Location

Nizozemsko

ISBN

0301-679X

Periodical

Tribology International

Year of study

170

Number

červen

State

United Kingdom of Great Britain and Northern Ireland

Pages from

107519

Pages to

107519

Pages count

11

URL

https://www.sciencedirect.com/science/article/pii/S0301679X22000925

BibTex

@article{BUT179659,
  author="LI, Q. and WU, B. and DING, H. and GALAS, R. and KVARDA, D. and LIU, Q. and ZHOU, Z. and OMASTA, M. and WANG, W.",
  title="Numerical prediction on the effect of friction modifiers on adhesion behaviours in the wheel-rail starved EHL contact",
  journal="Tribology International",
  year="2022",
  volume="170",
  number="červen",
  pages="11",
  doi="10.1016/j.triboint.2022.107519",
  issn="0301-679X",
  url="https://www.sciencedirect.com/science/article/pii/S0301679X22000925"
}