Transient adhesion effects in rolling–sliding contacts influence all aspects of train–track interaction.This is of high importance specifically when these effects result in critically low adhesion,which poses a risk...Transient adhesion effects in rolling–sliding contacts influence all aspects of train–track interaction.This is of high importance specifically when these effects result in critically low adhesion,which poses a risk to traction and braking of railway vehicles.This study presents a model that can replicate the transient changes of the coefficient of adhesion with tested water and solid particle mix.The experimental data for the model are measured using a commercial ball-on-disc tribometer.The experimental results showed a liquid reservoir in front of the contact area that slowly reduces in size.This observation was used in the modelling approach to divide the calculation into two stages where the reservoir is present and when it disappears.The model was able to reproduce the occurrence of low adhesion region seen in experimental results with different particle concentrations.展开更多
Erratum to Daniel Kvarda,Alexander Meierhofer,Klaus Six.Testing and modelling of transient adhesion phenomena in rolling–sliding contacts.Friction 12(5):1016–1027(2024).https://doi.org/10.1007/s40544-023-0825-8 The ...Erratum to Daniel Kvarda,Alexander Meierhofer,Klaus Six.Testing and modelling of transient adhesion phenomena in rolling–sliding contacts.Friction 12(5):1016–1027(2024).https://doi.org/10.1007/s40544-023-0825-8 The authors regret that there was an inadvertent error in author biographies after checking the paper.It is important to note that the change does not impact the main conclusion of the article.The accurate version of biographies of Alexander MEIERHOFER and Klaus SIX on pages 1026 and 1027 are provided as below.展开更多
基金support within the COMET K2 Competence Centers for Excellent Technologies from the Austrian Federal Ministry for Climate Action(BMK)the Austrian Federal Ministry for Labour and Economy(BMAW),the Province of Styria(Dept.12)and the Styrian Business Promotion Agency(SFG).
文摘Transient adhesion effects in rolling–sliding contacts influence all aspects of train–track interaction.This is of high importance specifically when these effects result in critically low adhesion,which poses a risk to traction and braking of railway vehicles.This study presents a model that can replicate the transient changes of the coefficient of adhesion with tested water and solid particle mix.The experimental data for the model are measured using a commercial ball-on-disc tribometer.The experimental results showed a liquid reservoir in front of the contact area that slowly reduces in size.This observation was used in the modelling approach to divide the calculation into two stages where the reservoir is present and when it disappears.The model was able to reproduce the occurrence of low adhesion region seen in experimental results with different particle concentrations.
文摘Erratum to Daniel Kvarda,Alexander Meierhofer,Klaus Six.Testing and modelling of transient adhesion phenomena in rolling–sliding contacts.Friction 12(5):1016–1027(2024).https://doi.org/10.1007/s40544-023-0825-8 The authors regret that there was an inadvertent error in author biographies after checking the paper.It is important to note that the change does not impact the main conclusion of the article.The accurate version of biographies of Alexander MEIERHOFER and Klaus SIX on pages 1026 and 1027 are provided as below.
