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Tribology Letters
Erschienen in: Tribology Letters 3/2012

01.09.2012 | Original Paper

Time-Dependent Fluid Squeeze-Out Between Soft Elastic Solids with Randomly Rough Surfaces

verfasst von: M. Scaraggi, B. N. J. Persson

Erschienen in: Tribology Letters | Ausgabe 3/2012

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Abstract

We study the time dependency of the interfacial separation and of the area of real contact between a soft elastic cylinder and a rigid solid with a randomly rough surface, squeezed with normal approach in a fluid. This problem is relevant for biological, as well as for bio-medical, seals and tires applications. An ad-hoc numerical scheme is developed to solve the transient mixed-EHD homogenized lubrication problem. We show that, for the soft contact case, the transition from the EHD to the boundary regime can be much more efficiently studied within a simplified (Grubin-like) problem formulation then with the full numerical scheme. This is not only of great conceptional importance, but also of practical importance as the latter calculation is much simpler and faster than the full scheme calculation.
Vorheriger Artikel Effect of the Synergetic Action on Tribological Characteristics of Ni-Based Composites Containing Multiple-Lubricants
Nächster Artikel A Multiscale Approach to the Mixed Lubrication Regime: Application to Mechanical Seals

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Metadaten
Titel
Time-Dependent Fluid Squeeze-Out Between Soft Elastic Solids with Randomly Rough Surfaces
verfasst von
M. Scaraggi
B. N. J. Persson
Publikationsdatum
01.09.2012
Verlag
Springer US
Erschienen in
Tribology Letters / Ausgabe 3/2012
Print ISSN: 1023-8883
Elektronische ISSN: 1573-2711
DOI
https://doi.org/10.1007/s11249-012-9996-6

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