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Maximizing friction by liquid flow clogging in confinement

Publications associées (45)

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Hot tearing is a major defect of solidification processes and welding. It occurs in metallic alloys while they are in the semi-solid state and is caused by a lack of liquid feeding in the mushy zone to compensate solid network openings due to tensile and s ...

EPFL2015

Solid-On-Liquid Technology for Suspended Microchannel Fabrication

Annalisa De Pastina, Antoine Nicolas Désiré Aupée

In this project a new fabrication strategy for suspended microchannel resonators (SMRs) is described. SMRs are biosensing devices with the liquid flowing inside of them, allowing real time measurements of fluidic samples, while devices can be kept in dry e ...

2015

Lift-Off Instability During the Impact of a Drop on a Solid Surface

John Martin Kolinski

We directly measure the rapid spreading dynamics succeeding the impact of a droplet of fluid on a solid, dry surface. Upon impact, the air separating the liquid from the solid surface fails to drain and wetting is delayed as the liquid rapidly spreads outw ...

American Physical Society2014

2014

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Photopolymerization is commonly used in a broad range of bioapplications, such as drug delivery, tissue engineering, and surgical implants, where liquid materials are injected and then hardened by means of llumination to create a solid polymer network. How ...

Spie-Soc Photo-Optical Instrumentation Engineers2014

Application of micro particle shadow velocimetry mu PSV to two-phase flows in microchannels

John Richard Thome, Navid Borhani, Sepideh Khodaparast

Micro particle shadow velocimetry (mu PSV) is performed in the present study for simultaneous velocity measurement and interface tracking in both liquid-liquid and gas-liquid two-phase flows through circular microchannels of 5001 mu m diameter. The back-li ...

Pergamon-Elsevier Science Ltd2014

Translational and Rotational Diffusion in Water in the Gigapascal Range

Livia Eleonora Bove Kado

First measurements of the self-dynamics of liquid water in the GPa range are reported. The GPa range has here become accessible through a new setup for the Paris-Edinburgh press specially conceived for quasielastic neutron scattering studies. A direct meas ...

American Physical Society2013

Anharmonicity, solvation forces, and resolution in atomic force microscopy at the solid-liquid interface

Kislon Voitchovsky

Solid-liquid interfaces are central to nanoscale science and technology and control processes as diverse as self-assembly, heterogeneous catalysis, wetting, electrochemistry, or protein function. Experimentally, measuring the structure and dynamics of soli ...

American Physical Society2013

Incremental Model Identification of Gas-Liquid Reaction Systems with Unsteady-State Diffusion

Dominique Bonvin, Julien Léo Billeter, Sriniketh Srinivasan, Benoit Till Cretegny

Identification of kinetic models and estimation of reaction and mass-transfer parameters can be performed using the extent-based identification method, whereby each chemical/physical process is handled separately [1-3]. This method is used here to analyze ...

2013

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Effective analyte delivery is essential to achieve rapid and sensitive biodetection systems. In this article, we present an actively controlled fluidic system integrated with a suspended plasmonic nanohole sensor to achieve superior analyte delivery effici ...

2013