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Production of monodisperse drops from viscous fluids

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A Review of Non-saturated Resin Flow in Liquid Composite Moulding processes

Véronique Michaud

The fundamentals of flow in the liquid composite moulding (LCM) processes are reviewed with an emphasis on multiphase flow effects considering the dual-scale thin porous media constituted by the textiles, and the dynamic wetting effects observed with visco ...

Springer2016

Gray free-energy multiphase lattice Boltzmann model with effective transport and wetting properties

Karen Scrivener, Marco Ramaioli, Mohamad Zalzale

The paper shows that it is possible to combine the free-energy lattice Boltzmann approach to multiphase modeling of fluids involving both liquid and vapor with the partial bounce back lattice Boltzmann approach to modeling effective media. Effective media ...

Amer Physical Soc2016

Squirming through shear-thinning fluids

Lailai Zhu

Many micro-organisms find themselves immersed in fluids displaying non-Newtonian rheological properties such as viscoelasticity and shear-thinning viscosity. The effects of viscoelasticity on swimming at low Reynolds numbers have already received considera ...

Cambridge University Press2015

Practical mapping of the draw resonance instability in film casting of Newtonian fluids

Mathias Simon Daniel Bechert

The influence of viscosity and inlet velocity on the draw resonance instability of film casting processes is quantitatively analysed. By linear stability analysis of a Newtonian model including inertia and gravity effects, stability curves for different co ...

2015

Ringin' the water bell: dynamic modes of curved fluid sheets

John Martin Kolinski

A water bell is formed by fluid flowing in a thin, coherent sheet in the shape of a bell. Experimentally, a water bell is created via the impact of a cylindrical jet on a flat surface. Its shape is set by the splash angle (the separation angle) of the resu ...

2015

Swimming by reciprocal motion at low Reynolds number

Peer Fischer, Tian Qiu

Biological microorganisms swim with flagella and cilia that execute nonreciprocal motions for low Reynolds number (Re) propulsion in viscous fluids. This symmetry requirement is a consequence of Purcell's scallop theorem, which complicates the actuation sc ...

Nature Publishing Group2014

Avalanche of fluid in the laboratory: the dam-break problem revisited.

Christophe Ancey

The talk reviews some of the analytical results available for studying the dambreak problem. Emphasis is then given to a thorough comparison between experimental data, analytical results (lubrication theory), and numerical simulations (obtained using the s ...

2014

Devices and methods for forming relatively monodisperse droplets

Esther Amstad

Devices and methods for dividing droplets are generally described. In some embodiments, an article may comprise a fluidic channel comprising an array of obstructions. In certain embodiments, the arrangement of obstructions in the array may affect the flow ...

2014

Rapid production of droplets

Esther Amstad

The present invention generally relates to the production of fluidic droplets. Certain aspects of the invention are generally directed to systems and methods for creating droplets by flowing a fluid from a first channel to a second channel through a plural ...

2014

Relaxation of a steep density gradient in a simple fluid: Comparison between atomistic and continuum modeling

Simone Meloni

We compare dynamical nonequilibrium molecular dynamics and continuum simulations of the dynamics of relaxation of a fluid system characterized by a non-uniform density profile. Results match quite well as long as the lengthscale of density nonuniformities ...

Amer Inst Physics2014