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Elastohydrodynamic aspects on the tyre-pavement contact at aquaplaning
Swedish National Road and Transport Research Institute.
2003 (English)Report (Other academic)
Abstract [sv]

The objective of the work presented in this report has been to develop a

numerical method for the investigation of water-lubricated soft

elastohydrodynamic (EHD) conjunctions as it relates to the problem of car

tyre aquaplaning. Whereas the problem of aquaplaning on very thick water

films is very well-studied, the aspects of a tyre sliding on thin water layer

is much less investigated. Considering fluid flow in very thin layers, one

can find that the relative importance of viscosity of the fluid increases

over the mass inertia effects. Therefore it is suggested in the present

investigation to distinct between two different regimes of aquaplaning and

refer them as dynamic aquaplaning and viscous aquaplaning. The subject of the

present investigation is viscous aquaplaning on thin fluid layer. Considering

flow in a thin fluid layer allows a number assumptions to be made, which

brings this problem close to the problem of fluid lubrication of machine

elements. This makes it possible to apply advanced numerical methods

originally developed for the lubrication theory to the aquaplaning of a

pneumatic car tyre on a thin layer of water. Numerical results were produced

for 20, 40, 60, 120, and 200 km/h. No fluid films were detected separating

the surfaces in this range of velocities.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut., VTI rapport 483A , 2003.
VTI rapport, ISSN 0347-6030
Keyword [en]
English, Sweden, Aquaplaning, Tyre, Road, Contact, Dynamics, Viscosity, Film, Model, Simulation, Lubrication
Research subject
Road: Vehicles and vehicle technology, Road: Components of the vehicle; Road: Highway design, Road: Surfacing
URN: urn:nbn:se:vti:diva-6360OAI: diva2:675236
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2013-12-03

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