Journal Article

PreJuSER-11426

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Time-dependent fluid squeeze-out between solids with rough surfaces

Lorenz, B.FZJ* ; Persson, B. N. J.FZJ*

2010
Springer Berlin

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Please use a persistent id in citations: doi:10.1140/epje/i2010-10625-0

Abstract: We study the time dependency of the (average) interfacial separation between an elastic solid with a flat surface and a rigid solid with a randomly rough surface, squeezed together in a fluid. As an application we discuss fluid squeeze-out between a tire tread block and a road surface. Some implications for the leakage of seals are discussed, and experimental results are presented to test the theory. The theoretical prediction for the leak rate as a function of the fluid pressure difference is in good agreement with the experimental data for all fluid pressures up to "lift-off", where the fluid pressure equals the nominal rubber-substrate squeezing pressure.

Keyword(s): Elasticity (MeSH) ; Models, Theoretical (MeSH) ; Pressure (MeSH) ; Rubber: chemistry (MeSH) ; Solutions: chemistry (MeSH) ; Stress, Mechanical (MeSH) ; Surface Properties (MeSH) ; Time Factors (MeSH) ; Solutions ; Rubber ; J

Note: This work, as part of the European Science Foundation EU-ROCORES Program FANAS, was supported from funds by the DFG and the EC Sixth Framework Program, under contract N ERAS-CT-2003-980409.

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Contributing Institute(s):

1. Quanten-Theorie der Materialien (IFF-1)

Research Program(s):

1. Kondensierte Materie (P54)

Appears in the scientific report 2010

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