Detail publikačního výsledku

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.

Originální název

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

Anglický název

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

Druh

Článek WoS

Originální abstrakt

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.

Anglický abstrakt

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.

Klíčová slova

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

Klíčová slova v angličtině

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

Autoři

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

Rok RIV

2023

Vydáno

08.03.2022

Nakladatel

Elsevier

Místo

Nizozemsko

ISSN

0301-679X

Periodikum

Tribology International

Svazek

170

Číslo

červen

Stát

Spojené království Velké Británie a Severního Irska

Strany od

107519

Strany do

107519

Strany počet

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="107519--107519",
  doi="10.1016/j.triboint.2022.107519",
  issn="0301-679X",
  url="https://www.sciencedirect.com/science/article/pii/S0301679X22000925"
}