MAALI, Abdelhamid; PAN, Y.; BHUSHAN, Bharat; CHARLAIX, E.

doi:10.1103/PhysRevE.85.066310

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MAALI, Abdelhamid
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

PAN, Y.
Nanoprobe Laboratory for Bio- and Nanotechnology and Biomimetics [NLB2]
Mechanical Engineering

BHUSHAN, Bharat
Nanoprobe Laboratory for Bio- and Nanotechnology and Biomimetics [NLB2]

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Physical Review E : Statistical, Nonlinear, and Soft Matter Physics. 2012, vol. 85, n° 6, p. 066310 (1-5)

American Physical Society

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In this paper, a drainage experiment of water between a borosilicate sphere and a microstructured surface constituted by regularly spaced pillars is presented. The microstructured surface has two parts: on one part the liquid forms a Cassie interface and on the second it forms a Wenzel interface. The measured hydrodynamic drag force is larger on the Cassie part compared to the Wenzel part. Furthermore, for the Cassie part, from the hydrodynamic drag force measurements on a pillar and between pillars the corresponding local slip lengths have been extracted. The area average slip length on the surface is in agreement with the value expected by Philip's equation.< Leer menos

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Micro- and nano- scale flow phenomena

Tribology and mechanical contacts

Atomic force microscopes

Structure of carbon nanotubes - boron nanotubes - and other related systems

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Hydrodynamic drag-force measurement and slip length on microstructured surfaces

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