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024 7 _ |a pmid:21386470
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024 7 _ |a 10.1088/0953-8984/22/26/265004
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024 7 _ |a WOS:000278802000019
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024 7 _ |a 2128/23204
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037 _ _ |a PreJuSER-12962
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Physics, Condensed Matter
100 1 _ |0 P:(DE-Juel1)130885
|a Persson, B. N. J.
|b 0
|u FZJ
245 _ _ |a Fluid dynamics at the interface between contacting elastic solids with randomly rough surfaces
260 _ _ |a Bristol
|b IOP Publ.
|c 2010
300 _ _ |a 265004
336 7 _ |a Journal Article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
|2 DRIVER
440 _ 0 |0 3703
|a Journal of Physics: Condensed Matter
|v 22
|x 0953-8984
|y 26
500 _ _ |a I thank G Carbone and M Scaraggi for interesting discussions. I thank A Wohlers for supplying the AFM and STM topography data for the grinded steel surface and for discussions. This work, as part of the European Science Foundation EUROCORES Program FANAS, was supported from funds by the DFG and the EC Sixth Framework Program, under contract N ERAS-CT-2003-980409.
520 _ _ |a We study fluid dynamics at the interface between elastic solids with randomly rough surfaces. The contact mechanics model of Persson is used to take into account the elastic interaction between the solid walls, and the Bruggeman effective medium theory to account for the influence of the disorder on the fluid flow. We calculated the flow tensor which determines the pressure flow factor and, for example, the leak rate of static seals. It is shown how the perturbation treatment of Tripp can be extended to arbitrary order in the ratio between the root-mean-square roughness amplitude and the average interfacial surface separation. We introduce a matrix D(ζ), determined by the surface roughness power spectrum, which can be used to describe the anisotropy of the surface at any magnification ζ. Results are presented for the asymmetry factor γ(ζ) (generalized Peklenik number) for grinded steel and sandblasted PMMA surfaces.
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588 _ _ |a Dataset connected to Web of Science, Pubmed
650 _ 2 |2 MeSH
|a Anisotropy
650 _ 2 |2 MeSH
|a Elasticity
650 _ 2 |2 MeSH
|a Hydrodynamics
650 _ 2 |2 MeSH
|a Microscopy, Atomic Force: methods
650 _ 2 |2 MeSH
|a Microscopy, Scanning Tunneling: methods
650 _ 2 |2 MeSH
|a Models, Statistical
650 _ 2 |2 MeSH
|a Pressure
650 _ 2 |2 MeSH
|a Surface Properties
650 _ 7 |2 WoSType
|a J
773 _ _ |0 PERI:(DE-600)1472968-4
|a 10.1088/0953-8984/22/26/265004
|g Vol. 22, p. 265004
|p 265004
|q 22<265004
|t Journal of physics / Condensed matter
|v 22
|x 0953-8984
|y 2010
856 7 _ |u http://dx.doi.org/10.1088/0953-8984/22/26/265004
856 4 _ |u https://juser.fz-juelich.de/record/12962/files/1004.1036.pdf
|y OpenAccess
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