LASNE, D.; MAALI, A.; AMAROUCHENE, Y.; COGNET, L.; LOUNIS, Brahim; KELLAY, H.

doi:10.1103/PHYSREVLETT.100.214502

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LASNE, D.
Centre de physique moléculaire optique et hertzienne [CPMOH]

MAALI, A.
Centre de physique moléculaire optique et hertzienne [CPMOH]

AMAROUCHENE, Y.
Centre de physique moléculaire optique et hertzienne [CPMOH]

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Physical Review Letters. 2008-05, vol. 100, n° 21, p. 214502

American Physical Society

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Measurements of the velocity profile of water flowing on a glass surface using fluorescent nanoparticles and single fluorescent molecules as velocity probes show that the no slip boundary condition holds down to at least 10 nm from the surface. For water flowing on a hydrophobic solid surface, silanized glass, the no slip boundary condition fails, and a slip length of 45 nm is measured. These velocity measurements are complemented with atomic force microscopy measurements of dissipation on a small sphere oscillating near the surface with results in agreement with the velocity profiles.< Leer menos

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Laminar flows

Low-Reynolds-number flows

Liquid-solid interfaces

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Velocity Profiles of Water Flowing Past Solid Glass Surfaces Using Fluorescent Nanoparticles and Molecules as Velocity Probes

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