Results 231 to 240 of about 24,285 (271)

Rolling vesicles: From confined rotational flows to surface-enabled motion. [PDF]

open access: yesProc Natl Acad Sci U S A
Magrinya P   +6 more
europepmc   +1 more source

Hydrodynamic Lubrication

Scientific Lubrication, 1957
The breakdown of laminar flow in the clearance space of a journal is considered, and the point of transition is considered in relation to experiments carried out with ‘bearings’ of large clearance. Experiments involving flow visualization with very large clearance ratios of 0.05 to 0.3 show that the laminar regime gives way to cellular or ring vertices
openaire   +1 more source

Soft Elasto-Hydrodynamic Lubrication

Tribology Letters, 2010
This article examines the use of ferrofluids to control starvation in lubricated contacts. Starvation in a ball–plate contact is experimentally studied under sliding–rolling conditions using a Mini Traction Machine (MTM). Friction is measured and the experimental results are presented in the form of Stribeck curves.
Efrén Andablo-Reyes   +5 more
openaire   +1 more source

Textured Surface Hydrodynamic Lubrication: Discussion

Tribology Letters, 2012
We discuss on a recently presented theory of textured surface hydrodynamic lubrication (Scaraggi, Phys Rev E, 2012). The model, based on the Bruggeman effective medium approach, allows to analytically evaluate the effects of a generic texture shape, distribution, and area density on the macroscopic hydrodynamic characteristics of the contact, such as ...
openaire   +2 more sources

Hydrodynamic lubrication of threads

Wear, 1982
Abstract Two analytical solutions are derived for the hydrodynamic lubrication of threads. Numerical solution confirms their validity and bridges the gap between the two analytical solutions. The limits of validity of the solutions are discussed in the light of neglected effects which require further consideration.
A. Magnin, J.-M. Piau
openaire   +1 more source

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